Welcome to nostr Lopp!
Discussion
The pubkey in his recent Twitter post doesn’t much the one on Damus or am I seing wrong?🤔
The one on Twitter:
f728d9e6e7048358e70930f5ca64b097770d989ccd86854fe618eda9c8a38106
Twitter post:
https://twitter.com/lopp/status/1604473256014225416?s=46&t=HMdUGcXc9kG4BpgNAIRSMA
Damus uses bech32 encoded keypairs and note id's. This is defined in NIP-19, https://github.com/nostr-protocol/nips/blob/master/19.md. So if you convert the key you see in Damus to a hex string you'll get the correct key.
You can convert bech32 encoded keys here: https://damus.io/key/