$BOB
BOB Coin, part of "Build on Bitcoin" (BOB), is a DeFi project that aims to integrate decentralized finance on the Bitcoin blockchain through a Layer-2 solution. Recently, it launched the Kailua update, incorporating zero-knowledge fraud proofs (ZK) to enhance security and decentralization. It has raised $9.5M, totaling $21M, with support from investors such as Castle Island and RockawayX. BOB positions itself as the first hybrid ZK rollup, combining validity and fraud proofs. Its community has grown by 42% in holders, is present in over 35 countries, and shows strong momentum in the DeFi ecosystem.