“Bitcoin L2s like Stacks are set to play a key role in unlocking Bitcoin DeFi,” said Tycho Onnasch, founder of Zest Protocol. “Unlike on Ethereum, the creation of basic DeFi primitives such as liquidity pools isn’t possible on Bitcoin L1. The Stacks sBTC upgrade is set to be a watershed moment for Bitcoin DeFi, which is what it was designed for from the beginning.”