@spiritedsquirrel
San Francisco, 4 September 2025 – Portal to Bitcoin, a custody-less interoperability protocol for Bitcoin, has added Solana (SOL) as its first mainnet L1 integration for native BTC cross-chain swaps. The milestone enables trust-minimized, self-custodial SOL-to-BTC and BTC-to-SOL transactions while maintaining full user control from start to finish. Previously, Ethereum swaps were only supported on testnet, making Solana the protocol’s first fully live mainnet integration
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