why address of vout is array not single

Question

hi team.why address of vout is array not  single? thanks.

./multichain-cli chain1 showblock 100 4

...........

    "tx" : [
        {
            "txid" : "67a300a1c7b8c6d17b53c92351cebc86f969bf038c5fb5f8768cfa1c34ee43bf",
            "version" : 1,
            "locktime" : 0,
            "vin" : [
                {
                    "coinbase" : "5f0101062f503253482f",
                    "sequence" : 4294967295
                }
            ],
            "vout" : [
                {
                    "value" : 35,
                    "n" : 0,
                    "scriptPubKey" : {
                        "asm" : "OP_DUP OP_HASH160 a925cee975aa2df9c1891e3f0697c355e4c6c70e OP_EQUALVERIFY OP_CHECKSIG",
                        "hex" : "76a914a925cee975aa2df9c1891e3f0697c355e4c6c70e88ac",
                        "reqSigs" : 1,
                        "type" : "pubkeyhash",
                        "addresses" : [
                            "1GRNVPC3CscRUTxYZQ2yWuYrkEhAFELSRa"
                        ]
                    }
                },

...........

Answer 1

It is possible to have multiple addresses referenced in an output, for example using an old-style bare multisig. This is rarely done in practice, but it is still supported by MultiChain, thus the array.

Comments

please make example。thanks

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It's actually pretty hard to make a bare multisig using the MultiChain API. But you can see an example of getrawtransaction's output with multiple addresses in an array here: https://gist.github.com/dexX7/fbbc17482d5559b41b19

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so,if i run mc2.0,will it not have multiple addresses in vout?