Crypto exchange Bitfinex-backed 'Stable' blockchain to use USDT for gas fees, supported by Tether-affiliated firm, USDT0.Stable network designed for institutional finance, with Tether CEO Paolo Ardoino advising the initiative.Stable blockchain focuses on financial institutions, introducing 'enterprise lanes' for low-latency, high-throughput transactions.Stable aims to provide a more predictable and efficient environment for stablecoin-powered transfers with USDT settling over $100 billion daily.