nipiQ

Bitcoin Ecosystem Directory

Comprehensive database of 158 entities across the Bitcoin ecosystem

43

Bitcoin Scaling

38

Bitcoin Variants

48

Bitcoin Holdings

18

Bitcoin Stakeholders

9

Bitcoin Privacy

10

Bitcoin Upgrades

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Showing 158 of 158 entities
Logo Entity Category Type Status Description Links
21Shares Bitcoin ETP
21Shares Bitcoin ETP
21shares-bitcoin-etp
Bitcoin Holding ETP Accumulating

21Shares Bitcoin ETP (ABTC), launched on February 25, 2019, holds 12,450 BTC as of April 30, 2025, valued at $1.046 billion at $84,000/BTC. It is managed by 21Shares, listed on SIX Swiss Exchange with a 1.49% management fee, and uses Coinbase Custody for Bitcoin storage.

1
3iQ CoinShares Bitcoin ETF
3iQ CoinShares Bitcoin ETF
3iq-coinshares-bitcoin-etf
Bitcoin Holding ETF Accumulating

3iQ CoinShares Bitcoin ETF (BTCQ), launched on April 19, 2021, holds 21,237 BTC as of April 30, 2025, valued at $1.78 billion at $84,000/BTC. It is managed by 3iQ and CoinShares, listed on TSX with a 1% management fee, and uses Gemini Custody for Bitcoin storage.

1
3iQ The Bitcoin Fund
3iQ The Bitcoin Fund
3iq-bitcoin-fund
Bitcoin Holding Fund Accumulating

3iQ The Bitcoin Fund (QBTC), launched on April 9, 2020, holds 18,750 BTC as of April 30, 2025, valued at $1.575 billion at $84,000/BTC. It is managed by 3iQ Corp, listed on TSX with a 1.95% management fee, and uses Gemini Custody for Bitcoin storage.

1
Acorn ABTC
Acorn ABTC
acorn-abtc
Bitcoin Variant Wrapped Asset Testnet

Acorn ABTC (aBTC) is a wrapped Bitcoin token on Ethereum, developed by Acorn Network for cross-chain DeFi applications, leveraging a liquidity protocol.

2
Adam Back
Adam Back
adam-back
Bitcoin Stakeholder Executive Active

CEO of Blockstream and Hashcash inventor, pioneering Liquid Network, Babylon staking, and Bitcoin’s layered scaling approach.

2
ALEX xBTC
ALEX xBTC
alex-xbtc
Bitcoin Variant Wrapped Asset Active

xBTC is a wrapped Bitcoin token used within the ALEX DeFi platform on the Stacks layer, bridged from native Bitcoin via a custodian.

3
Allo alloBTC
Allo alloBTC
allo-allobtc
Bitcoin Variant Wrapped Asset Testnet

alloBTC is a wrapped Bitcoin token associated with the Allo Protocol, used for yield optimization on Ethereum or EVM chains.

2
Alys
Alys
alys
Bitcoin Scaling Rollup Proposed

Alys is a Bitcoin Layer 2 solution focused on DeFi applications, leveraging BitVM for an EVM-compatible execution environment secured by Bitcoin.

1
Andreas M. Antonopoulos
Andreas M. Antonopoulos
andreas-antonopoulos
Bitcoin Stakeholder Advocate Active

Author of 'Mastering Bitcoin,' educating on Bitcoin scaling, upgrades, and holdings with a decentralization focus.

3
Arch Network
Arch Network
arch-network
Bitcoin Scaling Client Side Validation Production

Arch Network is a Bitcoin Layer 2 scaling solution enabling Turing-complete smart contracts on Bitcoin's base layer using ArchVM and a decentralized verifier network with FROST + ROAST signatures. It supports trustless DeFi applications without bridging, preserving Bitcoin's liquidity and security.

4
Ark
Ark
ark
Bitcoin Scaling Payment Channel Testnet

Ark is a Bitcoin Layer 2 protocol designed to scale transactions through a shared UTXO model, enabling fast, low-cost, and private off-chain payments. Utilizing virtual UTXOs (vTXOs) and Ark Service Providers (ASPs), Ark simplifies liquidity management by eliminating the need for payment channel setup, unlike the Lightning Network. Recent developments include Virtual Channels for off-chain contracts and Taproot Assets integration, enhancing BTCfi applications. Ark supports trustless, unilateral on-chain redemption, ensuring user control over funds.

4
ARK 21Shares Bitcoin ETF
ARK 21Shares Bitcoin ETF
ark-21shares-bitcoin-etf
Bitcoin Holding ETF Accumulating

ARK 21Shares Bitcoin ETF (ARKB), launched on January 11, 2024, holds 48,360 BTC as of April 30, 2025, valued at $4.06 billion at $84,000/BTC. It is managed by 21Shares US LLC, sponsored by ARK Investment Management, listed on Cboe BZX with a 0.21% management fee, and uses Coinbase Custody Trust for Bitcoin storage.

1
Ark Liquid
Ark Liquid
ark-liquid
Bitcoin Scaling Sidechain Proposed

Ark Liquid combines the Ark Layer 2 protocol with assets on the Liquid Network sidechain, enabling scalable, confidential off-chain payments with Liquid's infrastructure.

3
Avalanche BTC.b
Avalanche BTC.b
avalanche-btcb
Bitcoin Variant Wrapped Asset Active

BTC.b is native Bitcoin bridged onto the Avalanche C-Chain via the Avalanche Bridge, enabling use in Avalanche’s DeFi ecosystem.

2
B² Network
B² Network
bsquared
Bitcoin Scaling Rollup Testnet

B² Network is a Bitcoin Layer 2 using ZK-Rollup technology with Bitcoin L1 verification, offering EVM compatibility and enhanced scalability.

2
Babylon Staked BTC
Babylon Staked BTC
babylon-btc
Bitcoin Variant Staking Derivative Active

Babylon Staked BTC refers to Bitcoin staked directly on the Bitcoin blockchain through the Babylon protocol to secure Proof-of-Stake (PoS) networks. This innovative approach allows Bitcoin holders to earn rewards by locking their BTC in a self-custodial manner, without wrapping, bridging, or third-party custody. By enabling PoS chains to leverage Bitcoin's security, Babylon enhances BTC's utility in the decentralized finance (DeFi) ecosystem.

2
Bedrock uniBTC
Bedrock uniBTC
bedrock-unibtc
Bitcoin Variant Staking Derivative Active

uniBTC is a liquid staked Bitcoin token from Bedrock Universe on Ethereum, enabling BTC staking with liquidity.

2
BEVM
BEVM
bevm
Bitcoin Scaling Sidechain Testnet

BEVM is an EVM-compatible Bitcoin Layer 2 sidechain using Schnorr signatures and MAST from Taproot to manage BTC bridging for smart contracts.

3
BEVM WBTC
BEVM WBTC
bevm-wbtc
Bitcoin Variant Wrapped Asset Testnet

WBTC on BEVM is Wrapped Bitcoin bridged onto the BEVM Layer 2 network, enabling Bitcoin use in EVM-compatible smart contracts.

2
BIGG Digital Assets Inc.
BIGG Digital Assets Inc.
bigg-digital-assets-inc
Bitcoin Holding Public Company Accumulating

BIGG Digital Assets Inc. (BIGG), operating subsidiaries like Netcoins, holds 1,017 BTC as of December 31, 2024, valued at $85.4 million at $84,000/BTC. It focuses on crypto trading and forensics, listed on TSX, and has accumulated Bitcoin since March 2018.

1
Binance BTCB
Binance BTCB
binance-btcb
Bitcoin Variant Wrapped Asset Active

BTCB (Binance-Peg Bitcoin) is a wrapped Bitcoin token on BNB Smart Chain, backed 1:1 by Bitcoin reserves held by Binance, enabling DeFi participation.

2
Bison
Bison
bison
Bitcoin Scaling Rollup Testnet

Bison Labs develops a Bitcoin Layer 2 using sovereign ZK-Rollups, enhancing scalability for DeFi with zero-knowledge proofs.

2
Bitcoin Group SE
Bitcoin Group SE
bitcoin-group-se
Bitcoin Holding Public Company Accumulating

Bitcoin Group SE (ADE), a German holding company, holds 3,947 BTC as of December 31, 2024, valued at $331.5 million at $84,000/BTC via its subsidiary Bitcoin.de, a regulated crypto marketplace. It is listed on XETRA and has accumulated Bitcoin since June 2017.

1
Bitfarms Ltd
Bitfarms Ltd
bitfarms-ltd
Bitcoin Holding Public Company Accumulating

Bitfarms Ltd (BITF), founded in 2017, is a global Bitcoin mining company operating 15 data centers across Canada, the US, Paraguay, and Argentina. It holds 1,260 BTC as of February 28, 2025, valued at $105.8 million at $84,000/BTC, with 75% renewable energy usage. Listed on TSX and Nasdaq, it retains mined Bitcoin via its Bitcoin One program since January 2021.

1
Bitfinity
Bitfinity
bitfinity
Bitcoin Scaling Sidechain Testnet

Bitfinity is an EVM-compatible Bitcoin Layer 2 sidechain on the Internet Computer (ICP), enabling faster, cheaper transactions and Ethereum dApps.

3
BitGo WBTC
BitGo WBTC
bitgo-wbtc
Bitcoin Variant Wrapped Asset Active

Wrapped Bitcoin (WBTC) is an ERC-20 token on Ethereum, backed 1:1 by Bitcoin, with BitGo as the primary custodian, also bridged to Solana, Polygon, Arbitrum, Optimism, and other EVM chains.

2
Bitlayer
Bitlayer
bitlayer
Bitcoin Scaling Rollup Testnet

Bitlayer is a Bitcoin Layer 2 solution using BitVM, enhancing scalability and enabling complex applications with Bitcoin’s security.

3
Bitlayer WBTC
Bitlayer WBTC
bitlayer-wbtc
Bitcoin Variant Wrapped Asset Testnet

WBTC on Bitlayer is Wrapped Bitcoin bridged onto the Bitlayer Layer 2 network, enabling Bitcoin use in its ecosystem.

2
Bitwise Bitcoin ETF
Bitwise Bitcoin ETF
bitwise-bitcoin-etf
Bitcoin Holding ETF Accumulating

Bitwise Bitcoin ETF (BITB), launched on January 11, 2024, holds 37,310 BTC as of April 30, 2025, valued at $3.13 billion at $84,000/BTC. It is listed on NYSE Arca with a 0.20% management fee, donates 10% of profits to open-source development, and uses Coinbase Custody for Bitcoin storage.

1
Block, Inc.
Block, Inc.
block-inc
Bitcoin Holding Public Company Accumulating

Block, Inc. (SQ), founded in 2009 by Jack Dorsey, is a fintech company integrating Bitcoin into financial services via Cash App and Bitkey. It holds 8,584 BTC as of December 31, 2024, valued at $720.8 million at $84,000/BTC, representing 0.041% of Bitcoin’s supply. Listed on NYSE, it invests 10% of monthly Bitcoin product profits into Bitcoin since October 2020.

1
BOB
BOB
bob
Bitcoin Scaling Rollup Testnet

BOB (Build on Bitcoin) is a hybrid Layer 2 combining Bitcoin’s security with Ethereum’s EVM compatibility, enabling dApps with Bitcoin settlement.

3
Botanix
Botanix
botanix
Bitcoin Scaling Sidechain Testnet

Botanix Labs’ Spiderchain is a decentralized, EVM-equivalent Bitcoin Layer 2 sidechain using multi-signature wallets managed by distributed participants.

3
BounceBit
BounceBit
bouncebit
Bitcoin Scaling Sidechain Production

BounceBit is a Layer 1 blockchain secured by staking Bitcoin and its BB token, enabling BTC restaking for CeFi and DeFi yield.

2
BRC-20
BRC-20
brc-20
Bitcoin Scaling Inscription Production

BRC-20 is a token standard using Ordinals inscriptions to create fungible tokens on Bitcoin’s mainnet, scaling tokenization use cases.

2
Brevan Howard Asset Management
Brevan Howard Asset Management
brevan-howard-asset-management
Bitcoin Holding Fund Accumulating

Brevan Howard Asset Management, a UK-based hedge fund, holds approximately 1,200 BTC through its BH Digital division, allocated in April 2021. Valued at around $100.8 million as of April 2025, it continues to accumulate Bitcoin, reflecting institutional interest in digital assets.

1
BTCS Inc.
BTCS Inc.
btcs-inc
Bitcoin Holding Public Company Accumulating

BTCS Inc. (BTCS), a blockchain technology company, holds 850 BTC as of December 31, 2024, valued at $71.4 million at $84,000/BTC, operating validator nodes. It is listed on Nasdaq and has accumulated Bitcoin since September 2014.

1
Cashu
Cashu
cashu
Bitcoin Variant Ecash Active

Cashu is a Chaumian e-cash protocol on Bitcoin’s Lightning Network, enabling private, bearer electronic cash tokens backed by federated mints.

3
Cathedra Bitcoin Inc.
Cathedra Bitcoin Inc.
cathedra-bitcoin-inc
Bitcoin Holding Public Company Accumulating

Cathedra Bitcoin Inc. (CBIT), a diversified Bitcoin mining company, holds 518 BTC as of December 31, 2024, valued at $43.5 million at $84,000/BTC. It operates in North America with a mixed energy mix, listed on TSX, and has accumulated Bitcoin since August 2021.

1
Chakra stBTC
Chakra stBTC
chakra-stbtc
Bitcoin Variant Staking Derivative Testnet

stBTC is a liquid staked Bitcoin token from Chakra, a ZK-proof-based restaking protocol, enabling yield while maintaining liquidity.

2
Chris Dixon
Chris Dixon
chris-dixon
Bitcoin Stakeholder Executive Active

General Partner at a16z, author of 'Read Write Own,' discussing blockchain scaling and Bitcoin’s Web3 integration.

2
CI Galaxy Bitcoin ETF
CI Galaxy Bitcoin ETF
ci-galaxy-bitcoin-etf
Bitcoin Holding ETF Accumulating

CI Galaxy Bitcoin ETF (BTCX), launched on March 9, 2021, holds 16,780 BTC as of April 30, 2025, valued at $1.41 billion at $84,000/BTC. It is managed by CI Financial, listed on TSX with a 0.40% management fee, and uses Gemini Custody for Bitcoin storage.

1
Cipher Mining Inc.
Cipher Mining Inc.
cipher-mining-inc
Bitcoin Holding Public Company Accumulating

Cipher Mining Inc. (CIFR), a Bitcoin mining company, holds 2,155 BTC as of April 2025, valued at $235.1 million at $109,114.88/BTC. It operates industrial-scale facilities in the US with a mixed energy mix, retaining mined Bitcoin as a treasury asset. Listed on Nasdaq, it began accumulating in August 2021.

1
Citrea
Citrea
citrea
Bitcoin Scaling Rollup Testnet

Citrea is Bitcoin’s first ZK-Rollup Layer 2, enhancing scalability by verifying state transitions on Bitcoin L1 using BitVM-inspired zero-knowledge proofs. EVM-compatible, it enables smart contracts for DeFi, gaming, and NFTs, leveraging Bitcoin’s security.

3
CleanSpark Inc.
CleanSpark Inc.
cleanspark-inc
Bitcoin Holding Public Company Accumulating

CleanSpark Inc. (CLSK), a sustainable Bitcoin mining company, holds 6,591 BTC as of April 2025, valued at $719.3 million at $109,114.88/BTC. It operates with 95% renewable energy in the US, retaining mined Bitcoin as a treasury asset. Listed on Nasdaq, it began accumulating in June 2021.

1
Coinbase cbBTC
Coinbase cbBTC
coinbase-cbbtc
Bitcoin Variant Wrapped Asset Active

cbBTC is an ERC-20 wrapped Bitcoin token on Ethereum and Base, backed 1:1 by Bitcoin held by Coinbase, enabling DeFi integrations.

2
CoinJoin
CoinJoin
coinjoin
Bitcoin Privacy Transaction Mixing Active

CoinJoin mixes transaction inputs and outputs to obscure links between senders and receivers, enhancing Bitcoin’s fungibility and transaction privacy.

3
CoinShares Physical Bitcoin ETP
CoinShares Physical Bitcoin ETP
coinshares-physical-bitcoin-etp
Bitcoin Holding ETP Accumulating

CoinShares Physical Bitcoin ETP (BITC), launched on January 19, 2021, holds 8,320 BTC as of April 30, 2025, valued at $698.9 million at $84,000/BTC. It is managed by CoinShares, listed on SIX Swiss Exchange with a 0.35% management fee, and uses Coinbase Custody for Bitcoin storage.

1
Confidential Layer
Confidential Layer
confidential-layer
Bitcoin Privacy Privacy Protocol Proposed

Confidential Layer is a proposed cross-chain bridge using ring signatures and stealth addresses to enable private Bitcoin transactions across blockchains.

4
Core CoreBTC
Core CoreBTC
core-corebtc
Bitcoin Variant Wrapped Asset Active

CoreBTC is Bitcoin bridged onto the Core DAO blockchain, enabling interaction with Core’s EVM-compatible smart contracts and DeFi ecosystem.

2
Core Scientific
Core Scientific
core-scientific
Bitcoin Holding Public Company Accumulating

Core Scientific (CORZ), a leading Bitcoin mining company, holds 12,345 BTC as of April 30, 2025, valued at $1.037 billion at $84,000/BTC. It operates US data centers with a mixed energy mix, listed on Nasdaq after emerging from bankruptcy in January 2024, and has accumulated Bitcoin since January 2021.

1
Dandelion++
Dandelion++
dandelion
Bitcoin Privacy Network Obfuscation Active

Dandelion++ obfuscates Bitcoin transaction broadcast origins, preventing IP-to-address linking at the network level to enhance user privacy.

3
Elizabeth Stark
Elizabeth Stark
elizabeth-stark
Bitcoin Stakeholder Executive Active

CEO of Lightning Labs, driving Lightning Network development since co-authoring its 2015 whitepaper, advocating scalable, private transactions.

2
Ethereum
Ethereum
ethereum
Bitcoin Scaling Sidechain Production

Ethereum is a leading blockchain supporting Bitcoin scaling through wrapped BTC tokens like WBTC and cbBTC, enabling fast, low-cost DeFi and dApp integrations on its Layer 1 and Layer 2 networks. Recent upgrades like Pectra and L2 solutions such as Arbitrum and Scroll enhance throughput and user experience.

3
FediMint
FediMint
fedimint
Bitcoin Variant Ecash Testnet

FediMint is a federated Chaumian e-cash protocol on Bitcoin and Lightning, enabling communities to issue private, scalable e-cash tokens.

3
Fidelity Wise Origin Bitcoin Fund
Fidelity Wise Origin Bitcoin Fund
fidelity-wise-origin-bitcoin-fund
Bitcoin Holding ETF Accumulating

Fidelity Wise Origin Bitcoin Fund (FBTC), launched on January 11, 2024, holds 173,680 BTC as of April 30, 2025, valued at $14.59 billion at $84,000/BTC. It is managed by Fidelity, listed on Cboe BZX with a 0.25% management fee, and uses Fidelity Digital Custody for Bitcoin storage.

1
Franklin Bitcoin ETF
Franklin Bitcoin ETF
franklin-bitcoin-etf
Bitcoin Holding ETF Accumulating

Franklin Bitcoin ETF (EZBC), launched on January 11, 2024, holds 5,890 BTC as of April 30, 2025, valued at $494.8 million at $84,000/BTC. It is listed on Cboe BZX with a 0.19% management fee and uses Coinbase Custody for Bitcoin storage.

1
Galaxy Digital Holdings
Galaxy Digital Holdings
galaxy-digital-holdings
Bitcoin Holding Public Company Accumulating

Galaxy Digital Holdings (GLXY), founded by Michael Novogratz, holds 15,593 BTC as of April 30, 2025, valued at $1.31 billion at $84,000/BTC. It focuses on digital assets and blockchain, listed on TSX, and has accumulated Bitcoin since November 2020.

1
Giacomo Zucco
Giacomo Zucco
giacomo-zucco
Bitcoin Stakeholder Advocate Active

Bitcoin educator and co-founder of BHB Network, advocating Lightning Network scaling and Bitcoin maximalism, critical of OP_CAT complexity.

2
Global X 21Shares Bitcoin ETF
Global X 21Shares Bitcoin ETF
global-x-21shares-bitcoin-etf
Bitcoin Holding ETF Accumulating

Global X 21Shares Bitcoin ETF (EBTC), launched on May 12, 2022, holds 5,210 BTC as of April 30, 2025, valued at $437.6 million at $84,000/BTC. It is managed by Global X, listed on ASX with a 1.25% management fee, and uses Coinbase Custody for Bitcoin storage.

1
Grayscale Bitcoin Trust
Grayscale Bitcoin Trust
grayscale-bitcoin-trust
Bitcoin Holding ETF Accumulating

Grayscale Bitcoin Trust (GBTC), converted to a spot Bitcoin ETF on January 11, 2024, holds 291,260 BTC as of April 30, 2025, valued at $24.47 billion at $84,000/BTC. It is managed by Grayscale Investments, listed on NYSE Arca with a 1.5% management fee, and uses Coinbase Custody for Bitcoin storage.

1
Hashdex Bitcoin ETF
Hashdex Bitcoin ETF
hashdex-bitcoin-etf
Bitcoin Holding ETF Accumulating

Hashdex Bitcoin ETF (DEFI), converted to a spot Bitcoin ETF on March 27, 2024, holds 4,320 BTC as of April 30, 2025, valued at $362.9 million at $84,000/BTC. It is listed on NYSE Arca with a 0.90% management fee and uses BitGo Custody for Bitcoin storage.

1
Hedgehog
Hedgehog
hedgehog
Bitcoin Scaling State Channel Proposed

Hedgehog is an early-stage Bitcoin Layer 2 proposal using state channels to enable scalable, off-chain transactions.

1
Hemi
Hemi
hemi
Bitcoin Scaling Sidechain Testnet

Hemi is a Bitcoin Layer 2 sidechain with EVM compatibility and Bitcoin L1 finality, providing a platform for DeFi applications.

2
HIVE Digital Technologies Ltd.
HIVE Digital Technologies Ltd.
hive-blockchain
Bitcoin Holding Public Company Accumulating

HIVE Digital Technologies Ltd. (HIVE), a crypto mining company, holds 2,451 BTC as of April 30, 2025, valued at $205.9 million at $84,000/BTC. It operates with 100% renewable energy in Canada, Sweden, and Iceland, retaining mined Bitcoin since September 2017. Listed on TSX and Nasdaq.

1
Hut 8 Mining Corp
Hut 8 Mining Corp
hut-8-mining-corp
Bitcoin Holding Public Company Accumulating

Hut 8 Mining Corp (HUT), a major Bitcoin mining company, holds 9,109 BTC as of April 2025, valued at $993.6 million at $109,114.88/BTC. It operates across North America with a mixed energy mix, retaining mined Bitcoin as a treasury asset. Listed on TSX and Nasdaq, it began accumulating in December 2020.

1
Internet Computer ckBTC
Internet Computer ckBTC
internetcomputer-ckbtc
Bitcoin Variant Wrapped Asset Active

ckBTC (Chain-Key Bitcoin) is Bitcoin on the Internet Computer (ICP) blockchain, enabled by Chain-Key ECDSA for native integration.

2
Invesco Galaxy Bitcoin ETF
Invesco Galaxy Bitcoin ETF
invesco-galaxy-bitcoin-etf
Bitcoin Holding ETF Accumulating

Invesco Galaxy Bitcoin ETF (BTCO), launched on January 11, 2024, holds 14,280 BTC as of April 30, 2025, valued at $1.2 billion at $84,000/BTC. It is listed on Cboe BZX with a 0.25% management fee and uses Coinbase Custody for Bitcoin storage.

1
iShares Bitcoin Trust
iShares Bitcoin Trust
ishares-bitcoin-trust
Bitcoin Holding ETF Accumulating

iShares Bitcoin Trust (IBIT), managed by BlackRock, holds 400,000 BTC as of April 30, 2025, valued at $33.6 billion at $84,000/BTC, the largest spot Bitcoin ETF. It was launched on January 11, 2024, listed on Nasdaq with a 0.25% management fee, and uses Coinbase Custody for Bitcoin storage.

1
Jack Mallers
Jack Mallers
jack-mallers
Bitcoin Stakeholder Executive Active

Jack Mallers is the CEO of Twenty One Capital and founder of Strike, a Bitcoin payment app using the Lightning Network, known for advocating Bitcoin adoption, notably in El Salvador.

2
Kinza KBTC
Kinza KBTC
kinza-kbtc
Bitcoin Variant Wrapped Asset Active

KBTC is a wrapped Bitcoin token used within the Kinza Finance lending protocol on BNB Smart Chain, enabling lending and borrowing.

2
KR1 plc
KR1 plc
kr1
Bitcoin Holding Public Company Accumulating

KR1 plc (KR1), a London-based digital asset investor, holds 700 BTC as of December 31, 2024, valued at $58.8 million at $84,000/BTC from staking and blockchain investments. It is listed on AQSE and has accumulated Bitcoin since February 2016.

1
LayerBank BTC
LayerBank BTC
layerbank-btc
Bitcoin Variant Wrapped Asset Active

BTC on LayerBank is Bitcoin bridged into the LayerBank lending protocol on EVM chains like Scroll and Linea, enabling lending activities.

2
LayerBank uBTC
LayerBank uBTC
layerbank-ubtc
Bitcoin Variant Yield Bearing Asset Active

uBTC on LayerBank is a yield-bearing token representing Bitcoin deposits in the LayerBank lending protocol, generating yield on EVM chains.

2
Libre
Libre
libre
Bitcoin Scaling Sidechain Testnet

Libre Chain is a Layer 1 blockchain designed for Bitcoin DeFi, with fast transactions and EVM compatibility, bridging Bitcoin via delegated PoS.

2
Libre PBTC
Libre PBTC
libre-pbtc
Bitcoin Variant Wrapped Asset Testnet

PBTC is Bitcoin bridged onto the Libre Chain via pNetwork, enabling use in Libre’s DeFi ecosystem.

2
Lightning Network
Lightning Network
lightning
Bitcoin Scaling Bitcoin Privacy State Channel Production

Lightning Network is a decentralized Layer 2 payment protocol on Bitcoin, enabling near-instant, low-fee transactions via bidirectional payment channels.

4
Lightning Network (Privacy)
Lightning Network (Privacy)
lightning-privacy
Bitcoin Privacy Bitcoin Scaling Network Obfuscation Active

Lightning Network uses onion routing to hide off-chain payment details, enhancing transaction privacy for Bitcoin users.

4
Liquid L-BTC
Liquid L-BTC
liquid-lbtc
Bitcoin Variant Wrapped Asset Active

L-BTC (Liquid Bitcoin) is Bitcoin on the Liquid Network sidechain, backed 1:1 for fast, confidential transactions.

2
Liquid Network
Liquid Network
liquid
Bitcoin Scaling Sidechain Production

Liquid Network is a Bitcoin sidechain by Blockstream, enabling faster, confidential transactions and digital asset issuance for traders and exchanges.

2
Lombard LBTC
Lombard LBTC
lombard-lbtc
Bitcoin Variant Staking Derivative Active

LBTC is a liquid staked Bitcoin token from Lombard Finance, providing liquidity for staked Bitcoin assets.

2
Lorenzo stBTC
Lorenzo stBTC
lorenzo-stbtc
Bitcoin Variant Staking Derivative Testnet

stBTC from Lorenzo Protocol is a liquid staking token for Bitcoin staked via Babylon, usable on Bitcoin Layer 2s.

2
Luke Dashjr
Luke Dashjr
luke-dashjr
Bitcoin Stakeholder Developer Active

Luke Dashjr is a Bitcoin Core developer known for his contributions to protocol development, including Segregated Witness (SegWit), and for maintaining the Bitcoin Improvement Proposals (BIPs). He is the creator of the OCEAN mining pool and Bitcoin Knots, an enhanced Bitcoin node software. Dashjr is recognized for his conservative views on Bitcoin scaling.

3
Lumibit
Lumibit
lumibit
Bitcoin Scaling Rollup Proposed

Lumibit is a decentralized Bitcoin Layer 2 network using ZK-Rollups, enhancing scalability and supporting diverse applications.

1
Lyn Alden
Lyn Alden
lyn-alden
Bitcoin Stakeholder Advocate Active

Macroeconomist and 'Broken Money' author, advocating Bitcoin as a store of value, analyzing scaling, upgrades, and holding impacts.

2
Mantle Network
Mantle Network
mantle
Bitcoin Scaling Rollup Production

Mantle Network is an EVM-compatible Layer 2 rollup on Ethereum, enabling Bitcoin scaling through wrapped BTC tokens like Ignition FBTC and PumpBTC. It uses optimistic rollups with a modular architecture, leveraging EigenDA for decentralized data availability to achieve high throughput, low-cost transactions, and seamless DeFi integration.

3
Marathon Digital Holdings Inc.
Marathon Digital Holdings Inc.
marathon-digital-holdings-inc
Bitcoin Holding Public Company Accumulating

Marathon Digital Holdings (MARA), a leading Bitcoin mining company, holds 48,237 BTC as of April 2025, valued at $5.26 billion at $109,114.88/BTC. It operates large-scale facilities in the US, using a mixed energy mix, and retains most mined Bitcoin as a treasury asset. Listed on Nasdaq, it began accumulating Bitcoin in January 2021.

1
Massachusetts Mutual Life Insurance Company
Massachusetts Mutual Life Insurance Company
massachusetts-mutual-life-insurance-company
Bitcoin Holding Fund Holding

Massachusetts Mutual Life Insurance Company (MassMutual), a major US insurer, holds 1,837 BTC as a treasury asset, purchased in December 2020 via NYDIG for its general investment account. Valued at approximately $154.3 million as of April 2025.

1
Matt Mudano
Matt Mudano
matt-mudano
Bitcoin Stakeholder Executive Active

Co-founder and CEO of Arch Network, a Bitcoin Layer 2 scaling solution. A long-time Bitcoin enthusiast, Mudano has over a decade of experience in Bitcoin mining and trading, driving Arch Network's mission to enable smart contracts on Bitcoin's base layer for trustless DeFi applications.

2
Mercury Layer
Mercury Layer
mercurylayer
Bitcoin Scaling Statechain Testnet

Mercury Layer is a Layer 2 statechain protocol for Bitcoin, enabling private, scalable off-chain BTC transfers via semi-trusted Statechain Entities.

2
Merlin Chain
Merlin Chain
merlin
Bitcoin Scaling Rollup Testnet

Merlin Chain is an EVM-compatible Bitcoin Layer 2 with ZK-Rollup technology, decentralized oracles, and on-chain BTC fraud proofs, empowering native assets.

3
Merlin MBTC
Merlin MBTC
merlin-mbtc
Bitcoin Variant Wrapped Asset Testnet

MBTC is Bitcoin bridged onto the Merlin Chain Layer 2 network, enabling use in its EVM-compatible ecosystem.

2
Metaplanet Inc.
Metaplanet Inc.
metaplanet-inc
Bitcoin Holding Public Company Accumulating

Metaplanet Inc. (3350), a Japanese public company, holds 7,800 BTC as of May 19, 2025, valued at $655.2 million at $84,000/BTC, making it Asia’s largest public Bitcoin holder. It adopted Bitcoin as a treasury reserve asset in April 2024 to hedge against yen depreciation, targeting 10,000 BTC by end-2025 via bonds, equity financing, and options trading. Listed on TSE.

1
Mezo
Mezo
mezo
Bitcoin Scaling Sidechain Testnet

Mezo is a Bitcoin Layer 2 sidechain by Thesis, using Proof-of-HODL consensus and trust-minimized BTC bridges to secure the network and earn yield.

2
Michael Saylor
Michael Saylor
michael-saylor
Bitcoin Stakeholder Executive Active

Executive Chairman and co-founder of Strategy (formerly MicroStrategy), a prominent advocate for Bitcoin adoption in corporate treasuries. Under his leadership, Strategy has accumulated over 555,000 BTC, making it the largest corporate holder of Bitcoin. Saylor is known for his influential voice in the Bitcoin community, with over 4.3 million followers on X.

2
MicroStrategy
MicroStrategy
microstrategy
Bitcoin Holding Public Company Accumulating

MicroStrategy (MSTR), founded in 1989 by Michael Saylor, is a business intelligence firm and the largest corporate Bitcoin holder, with 576,000 BTC as of April 30, 2025. Tracked by nipiQ, its holdings, valued at $48.4 billion at $84,000/BTC, represent 2.7429% of Bitcoin’s supply. Listed on Nasdaq, it has accumulated Bitcoin since August 2020 using debt financing, equity offerings, and excess cash to hedge against fiat currency debasement.

1
Monochrome Bitcoin ETF
Monochrome Bitcoin ETF
monochrome-bitcoin-etf
Bitcoin Holding ETF Accumulating

Monochrome Bitcoin ETF (IBTC), Australia’s first spot Bitcoin ETF launched on June 4, 2024, holds 1,500 BTC as of December 31, 2024, valued at $126 million at $84,000/BTC. It is managed by Monochrome Asset Management, listed on ASX with a 0.98% management fee, and uses Gemini Custody for Bitcoin storage.

1
Nakamoto Holdings Inc.
Nakamoto Holdings Inc.
nakamoto-holdings
Bitcoin Holding Public Company Accumulating

Nakamoto Holdings Inc. (KDLY), founded by David Bailey, is a public company focused on accumulating Bitcoin as a treasury asset. It holds 8,500 BTC as of May 13, 2025, valued at $714 million at $84,000/BTC, after merging with KindlyMD in May 2025 and raising $710 million. Listed on Nasdaq, it integrates Bitcoin into global capital markets via equity, debt, and hybrid instruments.

1
Nick Szabo
Nick Szabo
nick-szabo
Bitcoin Stakeholder Advocate Inactive

Cryptography pioneer who coined 'smart contracts,' discussing Bitcoin’s role in scaling, variants, and economic security.

2
Nomic
Nomic
nomic
Bitcoin Scaling Sidechain Production

Nomic is a Layer 1 blockchain using Cosmos SDK, functioning as a non-custodial Bitcoin bridge, enabling BTC transfers to Cosmos chains as nBTC.

3
Nomic NBTC
Nomic NBTC
nomic-nbtc
Bitcoin Variant Wrapped Asset Active

nBTC is Bitcoin bridged via the Nomic Layer 1 blockchain, enabling IBC-compatible use in the Cosmos ecosystem.

3
OP_APO
OP_APO
apo
Bitcoin Upgrade Opcode Testnet

SIGHASH_ANYPREVOUT (OP_APO), proposed in BIP-118, modifies Bitcoin’s signature hashing to allow inputs to commit to scriptPubKey without specific UTXO, enabling efficient off-chain protocols like eltoo. It’s been tested on signet since 2022, with active community discussion for Lightning Network enhancements.

2
OP_CAT
OP_CAT
op-cat
Bitcoin Upgrade Opcode Testnet

OP_CAT, proposed in BIP-347 and activated on signet in 2024, re-enables concatenation of stack elements in Bitcoin Script, previously disabled by Satoshi Nakamoto. It supports complex smart contracts, covenants, and trustless bridges, with significant on-chain usage (74K transactions).

3
OP_CSFS
OP_CSFS
op-csfs
Bitcoin Upgrade Opcode Proposed

OP_CHECKSIGFROMSTACK (OP_CSFS), proposed in BIP-348 in November 2024, verifies signatures against stack-provided public keys and arbitrary messages, enhancing script flexibility for dynamic transactions and covenants. Actively discussed for vault and oracle use cases.

1
OP_CTV
OP_CTV
op-ctv
Bitcoin Upgrade Opcode Testnet

OP_CHECKTEMPLATEVERIFY (OP_CTV), proposed in BIP-119, is a covenant opcode enforcing transaction structure constraints, enabling payment channels, vaults, and congestion control. Actively discussed since 2020, it’s tested on signet with growing developer support for activation.

2
OP_TXHASH
OP_TXHASH
op-txhash
Bitcoin Upgrade Opcode Proposed

OP_TXHASH, a proposed opcode, enables flexible transaction introspection by hashing specific transaction fields, supporting covenants and smart contracts. Actively discussed as an alternative to OP_CTV and OP_CSFS for generalized scripting.

2
OP_VAULT
OP_VAULT
op-vault
Bitcoin Upgrade Opcode Proposed

OP_VAULT, proposed in BIP-345, introduces specialized opcodes (OP_VAULT, OP_VAULT_RECOVER) for secure custody vaults, allowing delayed spending with recovery paths. Combined with OP_CTV, it enhances vault functionality and is actively discussed for activation.

2
Ordinals
Ordinals
ordinals
Bitcoin Scaling Inscription Production

Ordinals, launched in 2023, enable NFT-like inscriptions on Bitcoin’s mainnet by embedding data in transaction witnesses, scaling use cases for digital artifacts.

3
Peter Todd
Peter Todd
peter-todd
Bitcoin Stakeholder Developer Active

Bitcoin Core developer known for Replace-by-Fee and timewarp fixes, discussing upgrades and scaling conservatively.

3
Pieter Wuille
Pieter Wuille
pieter-wuille
Bitcoin Stakeholder Developer Active

Bitcoin Core developer and co-author of Taproot (BIP 340-342), contributing to upgrades enabling modern Layer 2 solutions like Lightning and BitVM.

2
PlanB
PlanB
planb
Bitcoin Stakeholder Advocate Active

Anonymous creator of the Stock-to-Flow model, analyzing Bitcoin’s price trajectory and ecosystem trends.

2
Polygon WBTC
Polygon WBTC
wbtc-polygon
Bitcoin Variant Wrapped Asset Active

WBTC on Polygon is Wrapped Bitcoin bridged to the Polygon Layer 2 network, enabling low-fee Bitcoin use in DeFi applications.

2
pStake yBTC
pStake yBTC
pstake-ybtc
Bitcoin Variant Yield Bearing Asset Active

yBTC is a yield-bearing Bitcoin token from pStake Finance, representing Bitcoin deposited into yield-generating strategies.

2
PumpBTC
PumpBTC
pump-pumpbtc
Bitcoin Variant Staking Derivative Active

PumpBTC is a liquid staking derivative on the Babylon protocol, enabling Bitcoin holders to stake BTC across BNB Smart Chain, Ethereum, Mantle, Arbitrum, and Base, receiving yield-bearing PUMPBTC tokens for DeFi applications. Backed 1:1 by staked Bitcoin, it leverages centralized custodians like Cobo MPC and Coincover for security and supports seamless cross-chain operations.

3
QR Asset Management Bitcoin ETF
QR Asset Management Bitcoin ETF
qr-asset-management-bitcoin-etf
Bitcoin Holding ETF Accumulating

QR Asset Management Bitcoin ETF (QBTC11), Latin America’s first Bitcoin ETF launched on June 23, 2021, holds 3,500 BTC as of December 31, 2024, valued at $294 million at $84,000/BTC. It is managed by QR Capital, listed on B3 with a 0.75% management fee, and uses Gemini Custody for Bitcoin storage.

1
Remixpoint Inc.
Remixpoint Inc.
remixpoint-inc
Bitcoin Holding Public Company Accumulating

Remixpoint Inc. (3825), via its BITPoint Japan subsidiary, holds 1,000 BTC as of December 31, 2024, valued at $84 million at $84,000/BTC for its crypto exchange operations. It is listed on TSE and has accumulated Bitcoin since August 2016.

1
RGB
RGB
rgb
Bitcoin Scaling Client Side Validation Testnet

RGB is a smart contract system for Bitcoin and Lightning Network, using client-side validation for scalable, private off-chain transactions.

3
RIF (RSK Infrastructure Framework)
RIF (RSK Infrastructure Framework)
rif
Bitcoin Scaling Sidechain Production

RIF provides decentralized infrastructure protocols and services on the Rootstock (RSK) sidechain, enabling dApp development with Bitcoin security.

3
Riot Platforms, Inc.
Riot Platforms, Inc.
riot-platforms-inc
Bitcoin Holding Public Company Accumulating

Riot Platforms, Inc. (RIOT), a Bitcoin mining company, holds 10,112 BTC as of April 2025, valued at $1.1 billion at $109,114.88/BTC. It operates large-scale facilities in Texas with a mixed energy mix, retaining mined Bitcoin as a treasury asset. Listed on Nasdaq, it began accumulating in March 2021.

1
Robin Linus
Robin Linus
robin-linus
Bitcoin Stakeholder Developer Active

Robin Linus is a Bitcoin researcher and developer known for his work on BitVM, a method to enhance Bitcoin's programmability, and ZeroSync, a STARK proof system for verifying Bitcoin's chain state. He is a Ph.D. student at Stanford University and a core contributor at ZeroSync Association, focusing on improving Bitcoin's scalability, privacy, and usability.

3
Rollux
Rollux
rollux
Bitcoin Scaling Rollup Production

Rollux is an EVM-compatible Optimistic Rollup Layer 2 by Syscoin, benefiting from Syscoin’s Bitcoin merge-mined Layer 1.

3
Rootstock (RSK)
Rootstock (RSK)
rootstock
Bitcoin Scaling Sidechain Production

Rootstock (RSK) is a Bitcoin sidechain enabling EVM-compatible smart contracts, secured by Bitcoin’s hash power through merge-mining and a 2-way Powpeg.

3
Rootstock RBTC
Rootstock RBTC
rootstock-rbtc
Bitcoin Variant Wrapped Asset Active

RBTC (Rootstock BTC) is Bitcoin on the Rootstock (RSK) sidechain, pegged 1:1 via a federated Powpeg for smart contract use.

2
Runes
Runes
runes
Bitcoin Scaling Inscription Production

Runes, introduced in 2024, is a protocol for issuing fungible tokens on Bitcoin’s mainnet using UTXO-based inscriptions, simplifying token creation.

3
Saifedean Ammous
Saifedean Ammous
saifedean-ammous
Bitcoin Stakeholder Advocate Active

Author of 'The Bitcoin Standard,' focusing on Bitcoin’s monetary fundamentals, scaling, and upgrade benefits.

3
Samson Mow
Samson Mow
samson-mow
Bitcoin Stakeholder Executive Active

CSO of Blockstream and CEO of JAN3, promoting Bitcoin nation-state adoption, Liquid scaling, and maximalist principles.

2
SatoshiVM
SatoshiVM
satoshivm
Bitcoin Scaling Rollup Testnet

SatoshiVM is a decentralized Bitcoin ZK-Rollup Layer 2 compatible with EVM, using native BTC as gas.

3
Schnorr Signatures
Schnorr Signatures
schnorr-signatures
Bitcoin Scaling Bitcoin Upgrade Mainnet Upgrade Production

Schnorr Signatures, activated with Taproot in November 2021, enhance Bitcoin’s efficiency and privacy by enabling signature aggregation and complex scripts.

2
Segregated Witness (SegWit)
Segregated Witness (SegWit)
segwit
Bitcoin Scaling Bitcoin Upgrade Mainnet Upgrade Production

SegWit, activated in August 2017, restructures Bitcoin transaction data to increase block capacity, fix transaction malleability, and enable Layer 2 solutions like Lightning.

2
Semler Scientific, Inc.
Semler Scientific, Inc.
semler-scientific-inc
Bitcoin Holding Public Company Accumulating

Semler Scientific, Inc. (SMLR), a medical technology company, adopted Bitcoin as its primary treasury reserve asset in May 2024, holding 1,058 BTC as of April 2025, valued at $115.4 million at $109,114.88/BTC. It is listed on Nasdaq and continues to accumulate Bitcoin.

1
SkyBridge Capital
SkyBridge Capital
skybridge-capital
Bitcoin Holding Private Company Accumulating

SkyBridge Capital, founded by Anthony Scaramucci, manages the SkyBridge Bitcoin Fund L.P., holding approximately 5,289 BTC since December 2020. Its Bitcoin treasury is valued at $444.3 million as of April 2025, with no recent disclosures of corporate holdings beyond fund assets.

1
Solana
Solana
solana
Bitcoin Scaling Sidechain Production

Solana is a high-performance blockchain supporting Bitcoin scaling through wrapped BTC tokens, enabling fast, low-cost DeFi and dApp integrations.

3
Solana tBTC
Solana tBTC
tbtc-solana
Bitcoin Variant Wrapped Asset Active

tBTC on Solana is a decentralized Bitcoin token bridged via Threshold Network, used for cross-chain DeFi applications.

2
Solana WBTC
Solana WBTC
wbtc-solana
Bitcoin Variant Wrapped Asset Active

WBTC on Solana is Wrapped Bitcoin bridged to the Solana blockchain via Wormhole, enabling Bitcoin use in Solana’s DeFi ecosystem.

2
Soluna Holdings
Soluna Holdings
soluna-holdings
Bitcoin Holding Public Company Accumulating

Soluna Holdings (SLNH), a US-based Bitcoin mining company, operates renewable energy-powered data centers. It holds 1,200 BTC as of December 2024, valued at $130.9 million at $109,114.88/BTC, and is listed on Nasdaq, accumulating Bitcoin since April 2021.

1
Solv SolvBTC
Solv SolvBTC
solv-solvbtc
Bitcoin Variant Yield Bearing Asset Active

SolvBTC is a yield-bearing Bitcoin token from Solv Protocol, generating yield via CeFi arbitrage, DeFi lending, and staking.

2
Solv SolvBTC.BBN
Solv SolvBTC.BBN
solv-solvbtcbbn
Bitcoin Variant Yield Bearing Asset Active

SolvBTC.BBN is a yield-bearing SolvBTC token integrated with Babylon staking, offering BTC staking rewards with liquidity.

2
Solv SolvBTC.ENA
Solv SolvBTC.ENA
solv-solvbtcena
Bitcoin Variant Yield Bearing Asset Active

SolvBTC.ENA is a yield-bearing SolvBTC token integrated with Ethena Labs’ USDe, offering yield from delta-neutral trading.

2
Sonic
Sonic
sonic
Bitcoin Scaling Rollup Testnet

Sonic is a Bitcoin Layer 2 using rollups, aimed at enhancing scalability for applications like gaming within the Bitcoin ecosystem.

3
Stacks
Stacks
stacks
Bitcoin Scaling Sidechain Production

Stacks is a Bitcoin Layer 2 enabling smart contracts and dApps, secured by Bitcoin’s Proof-of-Work via Proof-of-Transfer (PoX) consensus. The recent Nakamoto upgrade has introduced trustless sBTC peg-out and improved security against chain reorganizations.

3
Stacks SBTC
Stacks SBTC
stacks-sbtc
Bitcoin Variant Wrapped Asset Testnet

sBTC is a decentralized Bitcoin token on the Stacks layer, enabling trustless BTC movement for smart contracts, secured by Stacks’ consensus.

2
Taproot
Taproot
taproot
Bitcoin Scaling Bitcoin Privacy Mainnet Upgrade Production

Taproot, activated in November 2021, introduces Schnorr signatures, P2TR outputs, and Tapscript, enhancing Bitcoin’s privacy, efficiency, and smart contract capabilities.

4
Taproot (Privacy)
Taproot (Privacy)
taproot-privacy
Bitcoin Privacy Bitcoin Scaling Privacy Protocol Active

Taproot, activated in 2021, enables script hiding and signature aggregation, making complex Bitcoin transactions indistinguishable and enhancing privacy.

4
TeraWulf Inc
TeraWulf Inc
terawulf
Bitcoin Holding Public Company Accumulating

TeraWulf Inc (WULF), a US-based Bitcoin mining company, operates zero-carbon facilities powered by nuclear and hydroelectric energy. It holds 372 BTC as of March 31, 2025, valued at $40.6 million at $109,114.88/BTC, and is listed on Nasdaq, accumulating Bitcoin since December 2021.

1
Tesla, Inc.
Tesla, Inc.
tesla-inc
Bitcoin Holding Public Company Holding

Tesla, Inc. (TSLA), an electric vehicle manufacturer, purchased $1.5 billion in Bitcoin (43,200 BTC) in February 2021, holding 11,509 BTC as of April 2025, valued at $1.26 billion at $109,114.88/BTC. It retains Bitcoin as a treasury asset despite selling 75% of its holdings in 2022. Listed on Nasdaq, it supports Bitcoin payments selectively.

1
Threshold tBTC
Threshold tBTC
threshold-tbtc
Bitcoin Variant Wrapped Asset Active

tBTC v2 is a decentralized Bitcoin token on Ethereum, Solana, Arbitrum, Optimism, and Polygon, backed 1:1 by Bitcoin, secured by Threshold Network stakers.

3
TLUV
TLUV
tluv
Bitcoin Upgrade Opcode Proposed

Taproot Leaf Update Verify (TLUV), an experimental opcode proposal, allows dynamic modification of Taproot script trees, enabling advanced covenants and fraud-proof smart contracts. Under active discussion for flexible scripting.

2
Tron BTC
Tron BTC
tron-btc
Bitcoin Variant Wrapped Asset Active

BTCTRON is a TRC-20 Bitcoin token on the Tron network, bridged via centralized or cross-chain mechanisms for use in Tron’s ecosystem.

2
Tuna Chain
Tuna Chain
tunachain
Bitcoin Scaling Rollup Testnet

Tuna Chain is a hybrid Bitcoin Layer 2 combining ZK-Rollup and Optimistic Rollup elements, focusing on fast, low-cost DeFi applications.

2
Twenty One Capital
Twenty One Capital
twenty-one-capital
Bitcoin Holding Fund Accumulating

Twenty One Capital (XXI), a Bitcoin-native investment fund backed by Tether, SoftBank, and Cantor Fitzgerald, holds 36,312 BTC as of May 2025, valued at $4.0 billion at $109,114.88/BTC. Launched on April 23, 2025, via SPAC merger, it is listed on Nasdaq and focuses on Bitcoin accumulation for investor exposure.

Valkyrie Bitcoin Fund
Valkyrie Bitcoin Fund
valkyrie-bitcoin-fund
Bitcoin Holding ETF Accumulating

Valkyrie Bitcoin Fund (BRRR), a spot Bitcoin ETF launched on January 11, 2024, holds 6,554 BTC as of May 2025, valued at $714.8 million at $109,114.88/BTC. Listed on Nasdaq with a 0.25% management fee, it uses Coinbase Custody and BitGo for Bitcoin storage.

1
Valour Bitcoin ETP
Valour Bitcoin ETP
valour-bitcoin-etp
Bitcoin Holding ETP Accumulating

Valour Bitcoin ETP (VALBTC), launched on December 2, 2020, holds 3,250 BTC as of May 2025, valued at $354.6 million at $109,114.88/BTC. Managed by Valour, it is listed on Spotlight Stock Market with a 1.90% management fee and uses Coinbase Custody for Bitcoin storage.

1
VanEck Bitcoin Trust
VanEck Bitcoin Trust
vaneck-bitcoin-trust
Bitcoin Holding ETF Accumulating

VanEck Bitcoin Trust (HODL), launched on January 11, 2024, holds 12,860 BTC as of April 30, 2025, valued at $1.08 billion at $84,000/BTC. It is listed on Cboe BZX with a 0.25% management fee and uses Gemini Custody for Bitcoin storage.

1
Willy Woo
Willy Woo
willy-woo
Bitcoin Stakeholder Advocate Active

On-chain analyst and Woobull charts creator, analyzing Bitcoin trends, scaling impacts, and adoption metrics.

2
WisdomTree Bitcoin ETP
WisdomTree Bitcoin ETP
wisdomtree-bitcoin-etp
Bitcoin Holding ETP Accumulating

WisdomTree Bitcoin ETP (BTCW), launched on March 9, 2021, holds 6,780 BTC as of April 30, 2025, valued at $569.5 million at $84,000/BTC. It is managed by WisdomTree, listed on SIX Swiss Exchange and XETRA with a 0.95% management fee, and uses Coinbase Custody for Bitcoin storage.

1
WisdomTree Bitcoin Fund
WisdomTree Bitcoin Fund
wisdomtree-bitcoin-fund
Bitcoin Holding ETF Accumulating

WisdomTree Bitcoin Fund (BTCW), launched on January 11, 2024, holds 6,720 BTC as of April 30, 2025, valued at $564.5 million at $84,000/BTC. It is listed on Cboe BZX with a 0.30% management fee and uses Coinbase Custody for Bitcoin storage.

1
XLink ABTC
XLink ABTC
xlink-abtc
Bitcoin Variant Wrapped Asset Testnet

ABTC is a wrapped Bitcoin token bridged via the XLink protocol by BitcoinOS, enabling BTC movement to Ethereum and other chains.

2
ZeroSync
ZeroSync
zerosync
Bitcoin Privacy Zero Knowledge Testnet

ZeroSync uses zero-knowledge proofs to compress blockchain data, reducing metadata exposure and improving privacy for Bitcoin node synchronization.

2
Zulu
Zulu
zulu
Bitcoin Scaling Sidechain Testnet

Zulu Network is a two-layered Bitcoin Layer 2 sidechain; ZuluPrime is EVM-compatible using BitVM, and ZuluNexus integrates UTXO-based chains.

2

Bitcoin ecosystem data • Updated regularly • 158 entities across 6 categories