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J'Mariano
@cryptfi-mariano
BOB is bringing Bitcoin into the world of DeFi. Explore with me👇🏻 In the early days, DeFi mostly grew on Ethereum. Why? Because Ethereum introduced smart contracts, that allow developers to build Dapps like lending platforms, decentralized exchanges, and more. Bitcoin, while being the first and most secure cryptocurrency, wasn’t built with smart contracts in mind. So despite being the largest and most recognized digital asset, it couldn't natively participate in the growing DeFi ecosystem. In 2018, Oct 26, wBTC was launched by BitGo, Kyber & Ren to bring BTC into Ethereum’s DeFi. Users locked BTC and received wBTC (an ERC-20 token) to use on apps like @uniswap, @aave-tools & more. This opened up possibilities for Bitcoin holders to lend, borrow, and trade within DeFi. But there was a catch: trust. Users had to rely on custodians to hold their BTC, risking hacks or mismanagement. Even with proof-of-reserves, custodial risk remained.
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J'Mariano
@cryptfi-mariano
Because of this friction and reliance on trust, less than 1% of global BTC participated in DeFi at peak, mostly on Ethereum via wBTC . Other Bitcoin-layer solutions, like the Lightning Network or Liquid sidechain supported faster payments or niche applications but didn’t integrate with DeFi’s expressiveness. In short, Bitcoin offered security, Ethereum offered programmability, and wBTC tried to bridge the gap, though imperfectly. This challenge is precisely what @build_on_bob is going to fix.
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J'Mariano
@cryptfi-mariano
✨ WTF is BOB( @build_on_bob)? BOB, or "Build on Bitcoin," is a special kind of blockchain project designed to bring Bitcoin into the world of Defi. BOB: Gateway to Bitcoin DeFi BOB is carving out a transformative path, enabling native BTC to run on DeFi apps without compromising decentralization. Since launching in 2024, BOB has rapidly emerged as a hybrid Layer 2, merging Bitcoin’s rock-solid security with Ethereum-level smart contract functionality. ✨ Why BOB Exists: - Security: Bitcoin’s proof-of-work is the strongest in Web3, yet its scripting is limited. - Efficiency: wBTC brought BTC into DeFi, but with custodial risk and fragmentation.
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@cryptfi-mariano
✨BOB’s Breakthrough Tech - Bitcoin-Anchored Optimistic Rollup: BOB is built on @Optimism Superchain but “inherits” BTC security by anchoring state to Bitcoin nodes. - BitVM-Powered Trustless Bridging: Using BitVM and zk proofs, BTC is moved onto BOB trustlessly. - EVM-Compatibility & OP Superchain Integration: BOB supports ERC‑20, Solidity, and popular DeFi frameworks, slotting into Ethereum’s powerhouse ecosystem. This hybrid model allows users to interact with real BTC in DeFi, often in a "native" fashion with Bitcoin-level security and Ethereum-style innovation.
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J'Mariano
@cryptfi-mariano
✨BOB Ecosystem & Partnerships BOB now powers 100+ projects, including: - DeFi: Chainlink, Zapper, Veda & more - Wallets: Xverse & more. - Bridges: deBridge, Hyperlane, Retrobridge - Infra & Custody: Fireblocks, ZeroDev, BlockSec & more. It integrates with deBridge (connecting BTC to 20+ chains) and is built with Chainlink CCIP. Its BitVM bridge testnet went live in mid-2025, with support from P2P.org, Solv, Amber Group, RockawayX & more. Backed by a $10M seed round and OP Mainnet grants, BOB’s momentum is strong.
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