According to @richrines, users can now keep BTC on a Ledger hardware wallet, timelock it on the Bitcoin network, and earn through Core, indicating the feature is live. Source: @richrines on X, Aug 15, 2025. This enables a self-custodial BTC on-chain earning option via Bitcoin timelocks and Core for trading-focused users seeking yield. Source: @richrines on X, Aug 15, 2025.