The Stacks ecosystem is experiencing notable developments in Bitcoin decentralized finance (DeFi) as the first-ever multi-chain Bitcoin yield layer, built by Build on Bob, has been announced. This milestone was celebrated at the ongoing Stacks event at ETH Denver, where Bitcoin Layer 2 solutions are a key focus for 2025. The event features builder workshops aimed at onboarding the next generation of Bitcoin developers. Additionally, Zest Protocol has reported unlocking yield on sBTC and is approaching a milestone of 500 sBTC deposited, which accounts for 15% of all sBTC minted, making it the leading Bitcoin yield market on Stacks. In the past 24 hours, 2,000 sBTC have been minted, reflecting the coordinated efforts within the Stacks ecosystem to enhance the Bitcoin economy. The next steps include enabling sBTC withdrawals and introducing new deposit caps.