{
    "height": 959886,
    "bestblock": "00000000000000000000459c532cca3353ccad25742eb75e311e06e2753776be",
    "txouts": 166300079,
    "bogosize": 13022276667,
    "total_amount": 20061916.76057609,
    "total_unspendable_amount": 230.11442391,
    "block_info": {
        "prevout_spent": 3881.39556330,
        "coinbase": 3.13941266,
        "new_outputs_ex_coinbase": 3881.38115064,
        "unspendable": 0.00000000,
        "unspendables": {
            "genesis_block": 0.00000000,
            "bip30": 0.00000000,
            "scripts": 0.00000000,
            "unclaimed_rewards": 0.00000000
        }
    }
}

• See all 230.11442391 unspendable BTC (CSV)

• Bitcoin Whitepaper