Core Insights - Hotstuff Labs has launched the public testnet for Hotstuff L1, a DeFi Layer 1 blockchain utilizing the DracoBFT consensus protocol, designed to integrate trading, payments, and fiat rails [1][5] - The blockchain aims to provide a highly performant on-chain order book combined with a programmable finance routing layer, allowing validators to serve as financial access points [1][2] Company Overview - Hotstuff Labs is supported by prominent investors such as Delphi Digital, Dialectic, Stake Capital, and founders of leading DeFi protocols like 1inch and Safe [2] - The company envisions a decentralized infrastructure that connects trading and real-world financial services through its blockchain [3] Validator Functionality - Validators on Hotstuff L1 are not only responsible for consensus but also act as permissioned financial service providers, enhancing access to financial services [3][4] - The blockchain matches users to validators based on stake, performance history, and quality of service, similar to a routing layer [4] Financial Integration - Hotstuff L1 includes deep integrations with payment platforms, banking partners, and card programs, allowing validators to earn through various financial services [4][6] - The platform supports stablecoin rails for off-chain liquidity and facilitates last-mile connectivity for fiat-crypto on/off-ramps and payments [6]