nostr:npub1zx2jpfqpyzadwpj3pyaqe42phgwh9u0390gxcfcdgaemuwg8xjnqe0npx5

> Might be cryptographicaly solved by signing the new key with the old and transfering the old rights to the new one

Is this significantly different/ easier than using the verification system to share keys with the new account? I'm a bit out of my depth here but keen to learn.