Rare card
Proof of work
- Value
- 50 W
- Attack
- 247
- Defence
- 197
- Players
- 0
Proof of work (also written as proof-of-work, and abbreviated PoW) is a form of cryptographic proof in which one party (the prover) proves to others (the verifiers) that a certain amount of a specific computational effort has been expended.
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