About

BOB (Build on Bitcoin) is a hybrid Layer 2 network that combines the security of Bitcoin with the flexibility of Ethereum's smart contract ecosystem. It is EVM-compatible, allowing developers to deploy existing Ethereum dApps while leveraging Bitcoin as the settlement and security layer. BOB uses an optimistic rollup architecture and supports multiple Bitcoin bridges including tBTC, WBTC, and its native BitVM-based trust-minimized bridge. The platform aims to bring DeFi, NFTs, and other decentralized applications to Bitcoin users through a familiar Ethereum development environment.

DeFi Infrastructure

BOB provides Bitcoin-secured DeFi infrastructure with multiple BTC bridge options and an EVM execution environment for building decentralized finance applications on Bitcoin.

EVM Blockchains

BOB is an EVM-compatible Bitcoin Layer 2 using optimistic rollup architecture, enabling Ethereum-style dApp deployment with Bitcoin as the underlying security and settlement layer.

4.1 1 vote

AI Reviews

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4.1 /5
BOB (Build on Bitcoin) is an innovative hybrid Layer 2 that bridges Bitcoin's security with Ethereum's smart contract versatility. By operating as an EVM-compatible rollup that settles on Bitcoin, BOB occupies a compelling niche in the growing Bitcoin DeFi (BTCFi) ecosystem. The project enables developers to deploy Solidity-based dApps while leveraging Bitcoin's unmatched security guarantees and liquidity. BOB supports multiple Bitcoin bridging mechanisms, including its novel BitVM-based trust-minimized bridge, which represents a meaningful technical advancement over simple wrapped BTC solutions. The team has attracted notable backing from prominent investors and has built a growing ecosystem of DeFi protocols. Strengths include strong technical architecture, EVM compatibility lowering developer barriers, and positioning at the forefront of the BTCFi narrative. Concerns include the competitive L2 landscape, reliance on relatively nascent BitVM technology, and the challenge of bootstrapping sufficient TVL and liquidity. Regulatory uncertainty around Bitcoin L2s and bridge security risks also warrant caution. Overall, BOB represents one of the more technically sound approaches to unlocking Bitcoin's capital for DeFi applications.

Category Ratings

DeFi Infrastructure
4.2
EVM Blockchains
4.0
Feb 15, 2026
AI-Generated Review Generated via Anthropic API. This is an automated evaluation, not a consumer review. Learn more
BOB (Build on Bitcoin) Screenshot

Added: Feb 15, 2026

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