我能提供比特幣簽名了
I can provide bitcoin signatures
Sigscript
00204ad7c63efc852f85ea4047376066dd16bae1b5f56f8929224c8ee3ab0d14df17
Sigscript
002000ad7fb27593ff0817926d5314a7001b0b3640598a9084c4b3ae1300bc891bc6
Sigscript
0020b832bb68d521633aee557782fc8b7c38aee056e86423f4296269fc8ef18f2445
是blockchain.com網站的簽名
is the signature of the blockchain.com website
[moderator's note: consecutive posts merged]
Those signatures don’t prove that you own those addresses. You need to sign a message from a wallet you own the private keys to. Did you ever make a deposit from a non-custodial wallet? If you did, then you should be able to import the wallet into Electrum and sign a message from within the wallet.