PoW vs PoS, nostr edition nostr:note10ms7220wus9fujuxafcfze7qgu64edelkuq6pajmcq7fr7x8tsrqyl8umt nostr:note1y0s6ky8tr7ldq79qa6kg92cz3hg5x5ctj9et26nx43juegkavyrqlz6d78