> Given only a random public key, is it possible to quickly recognize when its corresponding private key has weak entropy?
No, but it is possible to quickly recognise that it matches a published puzzle address, which is derived from the public key. And the amount held by that address is public knowlege (it's on the blockchain).
No, but it is possible to quickly recognise that it matches a published puzzle address, which is derived from the public key. And the amount held by that address is public knowlege (it's on the blockchain).