rich1.0sperry (npub1z8…k36vw)https://nostr.now/npub1z8gtve683pa6nfknfv37kvfgwd6tgkc6rvtpatz5evvrc5lqpmmszk36vwnjumphttps://nostr.nowNot to change the destination address, just speed up existing, is the way rbf typically works. I'm not positive, but to create the psbt, I think he used a btcpay server. I used Sparrow to sign it, he broadcast it, cuz on first few attempts I got an error.