└── ProofOfAuthority.py


/ProofOfAuthority.py:
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 1 | class ProofOfAuthority:
 2 |     def __init__(self, authorities):
 3 |         self.authorities = authorities  # Set of authorized nodes
 4 | 
 5 |     def validate_transaction(self, node, transaction):
 6 |         if node in self.authorities:
 7 |             print(f"Transaction validated by {node}")
 8 |             return True
 9 |         return False
10 | 
11 | # Example usage
12 | poa = ProofOfAuthority({"node1", "node2", "node3"})
13 | print(poa.validate_transaction("node1", "tx1"))  # True
14 | 


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