Optimistic rollup computation verification which uses the BitVM paradigm

Mar ‘24: Raised $5M in Seed Round

Framework Ventures,ABCDE Capital

Uses ordinals as a ZK-STARK rollup

Mar ‘24: Completed a pre-seed

Portal Ventures

Optimistic rollup computation verification which uses the BitVM paradigm

Apr ‘24: Mainnet live for users

Hashkey Capital,OKX Ventures

Based on Syscoin, a Layer 0 for Bitcoin to support EVM smart cities uses PoW through merge-mining.

Jun ‘23: Live on Mainnet

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Bitcoin L2 based on zero-knowledge rollup

Apr ‘24: Announced a LumiPoints Campaign

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Hybrid L2 Connecting Bitcoin security with EVM liquidity

Apr ‘24: Announced partnership with Segment finance

Castle Island,Coinbase Ventures

ZK based rollup service

Feb ‘24: Raised $2.7M in seed round

Galaxy

Modular execution layer on Bitcoin

Apr ‘24: Tuna DAO is launched

MH Ventures,Cogitent Ventures

A modular rollup to build on Bitcoin

Apr ‘24: Announced Runes, a one of a kind ordinals based NFT on Bitcoin

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Modular ZK-Rollups Infra on Bitcoin

Apr ‘24: Raised $10.6M in seed round

Ribbit Capital

zk-Native Blockchain Protocol

Feb ‘24: Raised $3M in funding round

Arrington Capital

ZK Rollup compatible with EVM, using native BTC as gas

Apr ‘24: Announced partnership with Portal

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A dynamic BTC Layer 2 ecosystem by creating a dApp and smart contract platform.

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High-throughput, low-fee, EVM-compatible network thatuses Bitcoin as gas.

Apr ‘24: Announced Q2 Roadmap focussing on governance, staking and growth initiatives

PoW consensus based layer2 blockchain

Apr ‘24: Partnered with RiscZero to get zkVM tech

Buks Capital

Uses a cross-layer communication mechanism established by ZK-Connector

Apr ‘24: Testnet Bridge Live

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Multi-layer scaling solution based on one-way transfer of Bitcoin.

Apr ‘24: Announced new L@ architecture at YouKenTrust conference

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Decentralized Bitcoin for Layer 2s. uBTC will be intrinsically backed by Lido’s Wrapped Staked Ether

Feb ‘24: U Bitcoin Thunder Network Bridge goes live

Crowdfunded on Fjord Launchpad

 Optimistic rollup protocol

Apr ‘24: Announced BVM on Bitcoin

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A modular framework for rollups

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Layer2 scaling solutions via ZK Proofs

Apr ‘24: Announced partnership with Foxwallet

Bixin Ventures

a ZKP-based cross-chain bridge between Bitcoin and Ethereum

Apr ‘24: Announced an upcoming bridge between Bitcoin and Ethereum

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It runs Ethereum dApps on Bitcoin's L2 with BTC as gas fees

Mar ‘24: BEVM was live on Mainnet

MH Ventures

Serves as a layer on top of Bitcoin, enabling smart contracts and scalability

Apr ‘24: Rolled out Nakamoto upgrade, making Stacks transactions more faster and secure

Hashkey Capital,SNZ Holding

Integrates EVM capabilities into Bitcoin's L2

Nov ‘23: Botanix was live on testnet

Edessa Capital

Layer 2 powered by Bitmap, building upon the native assets, protocols, and products on Bitcoin Layer 1

Apr ‘24: Listed on 27+ spot and perp platforms

The Spartan Group,Hailstone Labs

Offering Bitcoin staking and timestamp services to enhance security for other blockchains, bolstering PoS chains' economic security through BTC staking

Dec ‘23: Completes US$18 million in Series A financing

Polychain,Hack VC

Enhances Bitcoin by enabling smart contracts and DeFi applications

Apr ‘24: Integrated with oooo money, the first modular cross-chain protocol supporting Bitcoin Layer 2s

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Enhances Bitcoin by providing a Layer 2 Inscription Network to address verifiability and interoperability issues with the Inscription and BRC-20 protocol.

Mar ‘24: Built Rosetta Bridge on decentralised cross-chain protocol

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Conflux fosters cross-border connectivity and market integration

Jun ‘23: Raised $ 18 M in funding round

DWF Labs

Incorporates threshold signature schemes and leveraging the IC platform

Jan ‘24: Raised $ 5.5 M in funding round

Polychain

Enhances Bitcoin's capabilities by facilitating atomic swaps, real-world asset tokenisation, and innovative consensus mechanisms within the DeFi space

Jan ‘24: Mintlayer was live on mainnet

CSP DAO

Provides layer-2 solution for fast and confidential settlement of digital assets

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Utilises the VM universal protocol and Bitcoin's security layer to create a dynamic Layer 2 ecosystem

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Utilises Bitcoin's security and custody to create a PoS Layer 1 chain, offering restaking opportunities for BTC holders

Apr ‘24: BounceBit completed a strategic financing

Blockchain Capital,Breyer Capital

Focusses on scaling Bitcoin by making it fast and usable

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Embodies the ethos of Bitcoin, prioritising fee-less, fast, and secure transactions

Apr ‘24: Enabled fee-less smart contracts

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Aims to deploy Drivechains sidechain solution on Bitcoin for improved user experience

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Enhances Bitcoin's capabilities with community-driven governance, interoperability, and developer engagement

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Adopting PoS consensus mechanism to enhance security of Bitcoin

Jan ‘24: Completes strategic financing, amount undisclosed

DWF Labs

A parallel VM Layer 2 on Bitcoin facilitates application development within the Bitcoin ecosystem

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Bidirectional payment channel by locking BTC

Oct ‘23: Announced taproot assets on mainnet

Redline DAO

Introduces Taproot assets and Satoshis into the Nostr ecosystem

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Shared UTXO model for confidential and off-chain payments through an intermediary server

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Stablecoin circulation specification for Lightning Network

Jun ‘23: Launched an Android wallet OBWallet on Mainnet

Redline DAO,Waterdrip Capital

Blinded co-signing and key-cycling that enables off-chain transfer and settlement of Bitcoin

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