Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04efe21815b35adb9e4e21d9124bff44674fd6d6fbb6e64dfc366b0dd654d09e83658695f6afa0123ca894a845278ed7e12c5448a1d397e3ab086504d52add553f