[
    {
        "index": 1,
        "hash": "000abc...",
        "timestamp": 1649168215,
        "miner": "Bob",
        "reward": 100.0,
        "secret_info": "",
        "nonce": 1234,
        "transactions": [
            {"from": "Alice", "to": "Bob", "value": 50.0},
            {"from": "SYSTEM", "to": "Alice", "value": 10.0}
        ]
    },
    {
        "index": 2,
        "hash": "000def...",
        "timestamp": 1649168216,
        "miner": "Alice",
        "reward": 50.0,
        "secret_info": "secret",
        "nonce": 5432,
        "transactions": [
            {"from": "Bob", "to": "Din", "value": 30.0},
            {"from": "SYSTEM", "to": "Bob", "value": 5.0}
        ]
    }
]