Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04c3a81b6d26f3872a9ec422b1626d176367d58da79660b2428740b3cf792270db4718bf137a8e3064aa703037c41924b68292697a543de244ef348ad4984b3821