Welcome to The Protocol, CoinDesk's weekly wrap of the most important stories in cryptocurrency tech development. I’m Margaux Nijkerk, a reporter at CoinDesk. In this issue: Stripe-Backed Blockchain Tempo Starts Testnet; Kalshi, Mastercard, UBS Added as Partners ZKsync Lite to Shut Down in 2026 as Matter Labs Moves On Blockstream Connects Lightning and Liquid for Faster, Private Bitcoin Payments Axelar Unveils AgentFlux to Bring AI Agents Onchain, Without Cloud Risks Unknown block type "divide ...