Can a Bitcoin (secp256k1) key be converted to a Ed25519 (Tor v3) key?

Can a Bitcoin (secp256k1) key be converted to a Ed25519 (Tor v3) key?

If I have secp256k1 keypair that is widely known, like a Bitcoin address, can I convert that into a Ed25519 key pair such that someone could access a .onion address in a deterministic way?

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