Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0400876669b344575cafbc436e1945f877a0732f7bb9b6d210a55917af71fdb3063cf7ae9c061dc2fc1caa5e5d4c2dd51018679d1e2344abf0db86752356039df1