{
    "name": "bitwasp/bitcoin-lib",
    "description": "Bitcoin library",
    "license": "MIT",
    "authors": [
        {
            "name": "Thomas Kerin",
            "email": "thomas.kerin@gmail.com"
        }
    ],
    "minimum-stability": "dev",
    "autoload": {
        "psr-4": {
            "BitWasp\\BitcoinLib\\": "src/"
        },
        "files": ["ecc-lib/auto_load.php"],
        "classmap": ["ecc-lib/classes/"]
    },
    "require": {
        "php": ">=5.3.3",
        "ext-gmp": "*"
    }
}

{
    "name": "bitwasp/bitcoin-lib",
    "description": "Bitcoin library",
    "license": "Unlicense",
    "authors": [
        {
            "name": "Thomas Kerin",
            "email": "thomas.kerin@gmail.com"
        }
    ],
    "minimum-stability": "dev",
    "autoload": {
        "psr-4": {
            "BitWasp\\BitcoinLib\\": "src/"
        },
        "files": ["ecc-lib/auto_load.php"],
        "classmap": ["ecc-lib/classes/"]
    },
    "require": {
        "php": ">=5.3.3",
        "ext-gmp": "*"
    }
}

Correct license code according tp SPDX list
Correct license code according tp SPDX list

http://spdx.org/licenses/Unlicense
