What is Merlin Chain (MERL)?

Quick Facts

  • Type: Bitcoin Layer 2 scaling solution
  • Technology: ZK-Rollups with zero-knowledge proofs
  • EVM Compatible: Yes, supports Ethereum smart contracts
  • Developer: Bitmap Tech, creators of BRC-420 and Bitmap Protocol
  • Native Token: MERL — used for gas, governance, and staking
  • Slogan: 'Make Bitcoin Fun Again'
  • Supported Assets: BRC-20 tokens, Ordinals, and BTC-native assets

Introduction

Merlin Chain is a Bitcoin Layer 2 blockchain that brings smart contracts, decentralized applications, and DeFi capabilities to the Bitcoin network. It does this while anchoring its security directly to Bitcoin Layer 1.

By using ZK-Rollup technology and an EVM-compatible environment, Merlin Chain lets developers build and deploy the same types of dApps found on Ethereum — but on top of Bitcoin's trusted foundation.

History & Background

Merlin Chain was developed by Bitmap Tech, the team behind the BRC-420 metaprotocol and Bitmap Protocol. The project launched with a fair-launch staking event called Merlin's Seal, through which early participants earned MERL token rewards.

The chain emerged during a wave of renewed interest in Bitcoin-native protocols and Layer 2 innovation, aiming to unlock Bitcoin's idle capital for productive use in Web3.

How Merlin Chain Works

Merlin Chain combines several core technologies to scale Bitcoin securely:

  • ZK-Rollup Network: Bundles multiple transactions into a single batch verified with zero-knowledge proofs, reducing on-chain load and fees.
  • Decentralized Oracle Network: Feeds off-chain data on-chain reliably and transparently.
  • Data Availability Module: Ensures transaction data remains accessible and verifiable.
  • On-Chain BTC Fraud Proofs: Detects and prevents invalid state transitions between Layer 1 and Layer 2.

Bitcoin on Layer 1 is represented as MBTC on Layer 2, preserving its value while making it usable within smart contracts and dApps.

Tokenomics

MERL is the native utility and governance token of the Merlin Chain ecosystem. Its key roles include:

  • Gas fees: Users pay for transactions and smart contract execution in MERL.
  • Governance: MERL holders vote on protocol upgrades and proposals.
  • Staking: Users can stake MERL to earn rewards and contribute to network security.
  • Collateral: MERL can be used as collateral for on-chain lending.

The token distribution prioritizes ecosystem incentives and community rewards, reflecting the project's focus on broad participation.

Circulating supply ? 1.31 billion MERL
Total supply ? 2.10 billion MERL
Max supply ? 2.10 billion MERL
Updated 15h ago

Ecosystem & Use Cases

Merlin Chain supports a growing ecosystem of applications built on Bitcoin Layer 2:

  • MerlinSwap: A native decentralized exchange (DEX) for trading BTC-native assets.
  • DeFi protocols: Lending, liquidity provision, and yield strategies using BTC-native assets.
  • NFTs and Ordinals: BRC-20 tokens and Ordinals can be traded and used within dApps.
  • Liquid Staking: M-Tokens are issued to stakers, giving liquidity access while assets remain locked.

Team, Governance & Community

Merlin Chain is built by Bitmap Tech, an established team in the Bitcoin ecosystem known for pioneering BRC-420. Governance is token-driven — MERL holders participate in on-chain voting to shape protocol direction.

The community is active across Twitter (@MerlinLayer2) and Discord, with ongoing engagement around ecosystem growth and new dApp launches.

Advantages

  • Bitcoin security: Inherits the decentralization and security of Bitcoin Layer 1.
  • EVM compatibility: Developers can port Ethereum dApps with minimal friction.
  • BTC-native asset support: BRC-20 tokens and Ordinals work natively within the Layer 2.
  • Low fees and fast transactions: ZK-Rollups dramatically reduce costs versus Layer 1.
  • Liquid staking: M-Tokens unlock liquidity for staked assets.

Risks & Challenges

  • Bitcoin L2 competition: Multiple teams are racing to build Bitcoin Layer 2 solutions, creating a crowded landscape.
  • Adoption uncertainty: dApp and developer adoption on Bitcoin L2 is still maturing compared to Ethereum.
  • Bridge risk: Cross-layer interactions introduce smart contract and bridge security risks.
  • Regulatory environment: Expanding Bitcoin's programmability may attract regulatory scrutiny.

Long-Term Vision

Merlin Chain aims to become the leading BTCfi infrastructure layer — transforming Bitcoin from a store of value into a full-featured financial platform. By empowering Bitcoin-native assets with DeFi, NFT, and Web3 capabilities, it seeks to unlock the vast liquidity of the Bitcoin ecosystem for decentralized applications at scale.

Frequently Asked Questions

Merlin Chain is a Bitcoin Layer 2 blockchain that uses ZK-Rollup technology to enable smart contracts, DeFi, and decentralized applications on top of Bitcoin. It inherits Bitcoin's security while offering faster transactions and lower fees.

Merlin Chain was developed by Bitmap Tech, the team behind the BRC-420 metaprotocol and Bitmap Protocol. They are a well-known team in the Bitcoin-native ecosystem.

MERL is the native token of Merlin Chain, used to pay gas fees, participate in governance voting, stake for rewards, and serve as collateral for on-chain lending.

Yes, Merlin Chain is EVM-compatible, meaning developers can deploy Ethereum smart contracts and migrate existing dApps to the Bitcoin Layer 2 with minimal changes.

M-Tokens are Liquid Staking Tokens (LSTs) issued to users who stake assets on Merlin Chain. They allow stakers to retain liquidity — for example, staking ORDI yields MORDI — which can be traded or used in DeFi.

MerlinSwap is a native decentralized exchange built on Merlin Chain. It allows users to trade BTC-native assets like BRC-20 tokens and Ordinals directly within the Layer 2 ecosystem.

Merlin Chain uses ZK-Rollups with zero-knowledge proofs, decentralized oracles, and on-chain BTC fraud proofs to ensure transaction integrity. Its security ultimately roots back to Bitcoin Layer 1.

Merlin Chain supports BRC-20 tokens, Ordinals, and native BTC (represented as MBTC on Layer 2). These assets can be used within smart contracts, dApps, and DeFi protocols on the chain.