BOB is the first Hybrid ZK rollup! - ZK rollup with on-demand finality - Perfect balance of security and cost - ZK proofs ready for BitVM Live on mainnet, powered by @RiscZero @boundless_xyz & @conduitxyz

1) BOB is the first rollup to use ZK fraud proofs. One ZK proof TX instead of many challenge game TX. Result: perfect balance of low cost + maximum security   It’s just so, so much better than other optimistic rollups: Fraud proofs on Base or Arbitrum can cost millions. ZK fraud proofs for BOB cost less than 30 USD.

2) BOB is also the first rollup to support validity proofs on demand. Normal withdrawals are 4 days right now, will come down to 12h once everything runs smooth for a bit. Want go get out faster? A validity proof can be submitted to finalize withdrawals to Ethereum instantly, the cost can be crowdfunded. Perfect for solver rebalancing

Thanks to the amazing teams at @RiscZero @boundless_xyz and @conduitxyz for working with BOB to continuously improve BTC DeFi Learn more about Hybrid ZK rollups here: