Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04155236c104543c823e957722d174e683bb8ac8c4015abd3ba4616452986eb6ead6a38ada6e3bf45d44e5b579ee781ec1a0f4bd4eb894af329423f1d8e2baceb1