Anduro is a multi-sidechain platform on Bitcoin incubated by the top NASDAQ-listed Bitcoin miner. From faster, smoother Bitcoin transacting to Ethereum-style smart contracts, Anduro supercharges blockchain innovation while preserving the incentives behind Bitcoin Proof-of-Work.

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• Website: https://anduro.io

• X: @andurobtc

• Telegram: https://t.me/+RlWs7L3PQRIwMGMx

• Discord: https://discord.gg/Me3gjyZ2Nh

• Dev Docs: https://github.com/AnduroProject

Bitlayer is the first Bitcoin Layer 2 solution based on the BitVM paradigm. Bitlayer’s core objective is to address the trade-off between security (trustlessness) and Turing completeness in BTC layer 2 through cryptographic innovations and blockchain protocol engineering. Bitlayer is committed to becoming the computation layer for Bitcoin, aiming to introduce ultra-scalability to Bitcoin while inheriting its security, providing users with a high-throughput, low-cost transaction experience.

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• Website: https://www.bitlayer.org/

• X: @BitlayerLabs

• Telegram: https://t.me/bitlayerofficial

• Discord: https://discord.gg/bitlayer

• Dev Docs: 

  • ​https://blog.bitlayer.org/

  • https://github.com/bitlayer-org

• Other Resources: 

  • https://medium.com/@Bitlayer

  • https://www.youtube.com/@Bitlayer_Official/videos

B² Network is a modular Bitcoin Layer2 solution. It introduces B² Rollup, the first Bitcoin rollup based on verification commitment, and B² Hub, the first Bitcoin Data Availability (DA) layer that achieves finality on the Bitcoin network.

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• Website: https://www.bsquared.network/

• X: @BSquaredNetwork

• Telegram: https://t.me/bsquared_chat

• Discord: https://discord.com/invite/bsquarednetwork

• Dev Docs: https://github.com/b2network

Bison Labs' flagship product, Bison Network, delivers Bitcoin Rollup-as-a-Service with customizable rollups designed for tailored solutions. Empower your applications with unmatched performance and flexibility, optimized for your unique needs.

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• Website: https://bisonlabs.io/

• X: @Bison_Labs

• Telegram: https://t.me/bisonlabs

• Discord: https://discord.com/invite/CzvRdZbMMA

• Dev Docs: https://dmaster-1.gitbook.io/bisonlabs

A new class of Bitcoin Layer-2, moving the Bitcoin economy forward. It enables developers to seamlessly deploy dApps on both EVM & UTXO layers, unlocking native yield and innovation. ​

 

ZuluEVM: Seamlessly deploy dApps with the security of ZK technology. ​

 

ZuluChain: New UTXO native paradigm. Programmable, extendable, open. ​ 

 

BitVM2 Decentralised Bridge: First of its kind decentralised Bitcoin bridge based on BitVM2.

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• Website: zulunetwork.io

• X: @zulu_network

• Telegram: https://t.me/ZuluNetwork

• Discord: https://discord.com/invite/vn4gYh4pe8

• Dev Docs: https://github.com/Zulu-network

• Other Resources: 

  • Docs: https://docs.zulunetwork.io/introduction/welcome-to-zulu

  • Recognition for key contributions to BitVM2: https://twitter.com/robin_linus/status/1796206213077545079

  • Blog: https://medium.com/@zulu_network

BEVM is the first fully decentralized EVM-compatible Bitcoin L2 that uses BTC as Gas. It allows all DApps which can run in the Ethereum ecosystem to operate on Bitcoin L2.

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• Website: https://www.bevm.io/

• X: @BTClayer2

• Telegram: 

  • https://t.me/zkBTCchain   

  • https://t.me/BEVMofficial

• Discord: 

  • https://discord.com/invite/K3N7KCWD67

  • https://discord.gg/bevm

• Dev Docs: https://github.com/btclayer2/BEVM-yellow-paper/blob/main/Taproot%20Consensus%20yellow%20paper.pdf?s=09

BOB is a hybrid L2 that combines the security of Bitcoin with the versatility of Ethereum. Connected to both Bitcoin and Ethereum, BOB sources liquidity from the two largest blockchain ecosystems and positions itself to be the market's top solution for DeFi mass adoption.

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BOB allows devs familiar with EVM to start building on Bitcoin now. Be the fastest to market, powered by the best-in-class EVM tooling, wallets, analytics, and key blockchain infrastructure, as well as a tailor-made Bitcoin developer suite.

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BOB is a collective undertaking to scaling Bitcoin the right way: inheriting security from Bitcoin PoW, contributing to Bitcoin's economy and providing usable decentralization for builders today - without waiting for hard forks.

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• Website: https://www.gobob.xyz/

• X: @build_on_bob

• Telegram: https://t.me/+CyIcLW2nfaFlNDc1

• Discord: https://discord.gg/gobob

• Dev Docs: 

  • https://docs.gobob.xyz/

  • https://www.gobob.xyz/

Merlin Chain is a native Bitcoin layer2 unleashing Bitcoin's potential with native L1 assets, users and protocols.

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• Website: https://merlinchain.io/

• X: @MerlinLayer2

• Telegram: https://t.me/merlin_chain

• Dev Docs: 

  • https://github.com/MerlinLayer2

  • https://docs.merlinchain.io/

Rootstock is the top Bitcoin Layer 2 Blockchain, on mainnet since 2018. Rootstock is secured by over 60% of the hash power of Bitcoin through a consensus mechanism known as Merge Mined Proof-Of-Work.

 

Rootstock uses Solidity programming language, making it fully EVM compatible. You can build any EVM dApps and products on Bitcoin using Rootstock without any additional tools or knowledge.

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• Website: https://rootstock.io/

• X: @rootstock_io

• Telegram: https://t.me/rskofficialcommunity

• Discord: http://discord.gg/rootstock

• Dev Docs: https://dev.rootstock.io/

• Other Resources: 

  • https://dev.rootstock.io/dev-tools/explorers/

  • https://dev.rootstock.io/resources/tutorials/dapp-automation-cucumber/

Stacks is a Bitcoin L2 enabling smart contracts & apps with Bitcoin as secure base layer.

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• Website: https://www.stacks.co/

• X: @Stacks

• Telegram: https://t.me/StacksChat

• Discord: https://stacks.chat/

• Dev Docs: https://docs.stacks.co/

• Other Resources: 

  • LW3 Stacks Developer Degree - https://learnweb3.io/degrees/stacks-developer-degree/

  • Clarity Book - https://book.clarity-lang.org/

  • Bitcoin Primer - https://start.bitcoinprimer.dev/

  • Hiro Docs - https://docs.hiro.so/stacks

zkBTC is an EVM Layer-2 chain designed to serve rising market demand for expanded functionality of the Bitcoin blockchain, while remaining in full alignment with Bitcoin’s principles.
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zkBTC leverages Polygon’s zero-knowledge-powered zkEVM to provide best-in-class performance and fee modelling to lay the groundwork for virtually infinite scalability of mass market applications built on Bitcoin.

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• Website: https://www.zkbtc.com/

• X: @zkBTCchain

• Telegram: https://t.me/zkBTCchain

• Discord: https://discord.com/invite/K3N7KCWD67

• Dev Docs: https://docs-presto.gateway.fm/

• Other Resources: 

  • RPC: https://devilmorallyelephant-rpc.eu-north-2.gateway.fm/

  • Blockscout: https://devilmorallyelephant-blockscout.eu-north-2.gateway.fm/

  • Bridge: https://devilmorallyelephant-bridge.eu-north-2.gateway.fm/

  • Faucet: https://devilmorallyelephant-faucet.eu-north-2.gateway.fm/

Bitfinity Network is a next-generation Layer 2 solution built on Bitcoin, designed to bring the power of Bitcoin to the broader blockchain ecosystem.

We built our own EVM, compatible with all EVM networks. Developers can deploy Bitcoin-enabled dApps using Solidity, which opens up Bitcoin liquidity for DeFi, Gaming, and NFTs.

Bitfinity empowers anyone to use this open-source technology to create their own bridge to Bitcoin, providing unparalleled flexibility and interoperability through the BitFusion SDK. This open-source framework enables the creation of decentralized bridges between EVM networks, Bitcoin, Bitcoin Runes, and other EVM networks, leveraging threshold cryptography and a network of on-chain Bitcoin nodes.

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• Website: https://bitfinity.network

• X: @bitfinitynet

• Telegram: https://t.me/bitfinity_official/1

• Discord: https://discord.gg/u9d7Dmxx

• Dev Docs: 

  • https://github.com/bitfinity

  • Network: https://docs.bitfinity.network