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What is difference between createmultisig and addmultisigaddress? I ran 2 methods for 2 same bitcoin address on bitcoin-cli but gives different addresses as multisig to me. the results are as follows:

>  bitcoin-cli -testnet createmultisig 2 "[\"03f47a5115cd9e5e21b94136db90e2e3d6ac7e40396d8e62f73df3fd3fcfb3f214\",\"0395ad430034c1761bbe9b4dfd784fb06229970d54016a7e090fc6ceb3814611b5\"]"
RESULT:
{
  "address": "**2Mt1jgrBoojAHbJS5zGJTZnx4TFktUCCNxu**",
  "redeemScript": "522103f47a5115cd9e5e21b94136db90e2e3d6ac7e40396d8e62f73df3fd3fcfb3f214210395ad430034c1761bbe9b4dfd784fb06229970d54016a7e090fc6ceb3814611b552ae",
  "descriptor": "sh(multi(2,03f47a5115cd9e5e21b94136db90e2e3d6ac7e40396d8e62f73df3fd3fcfb3f214,0395ad430034c1761bbe9b4dfd784fb06229970d54016a7e090fc6ceb3814611b5))#6nexfs8d"
} ```

> bitcoin-cli -testnet addmultisigaddress 2 "[\"2NEy9um4CpWerPeaEhPa3TckNYWnh58yDXN\",\"2Mxr2oaph8iapbnbL1MSEvfZH8EQaXYuhAy\"]"

RESULT: 
 {
  "address": "**tb1qjyvx2kwl4kq2cypj5zawhw5gpwxmphxe487z3hxj9m36ux8tylpszpazsu**",
  "redeemScript": "522103f47a5115cd9e5e21b94136db90e2e3d6ac7e40396d8e62f73df3fd3fcfb3f214210395ad430034c1761bbe9b4dfd784fb06229970d54016a7e090fc6ceb3814611b552ae",
  "descriptor": "wsh(multi(2,[a025344d/0'/0'/0']03f47a5115cd9e5e21b94136db90e2e3d6ac7e40396d8e62f73df3fd3fcfb3f214,[a025344d/0'/0'/1']0395ad430034c1761bbe9b4dfd784fb06229970d54016a7e090fc6ceb3814611b5))#gmdd9d2p"
}

why those addresses is different?

thank you

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  • Try running this as first command: bitcoin-cli -testnet createmultisig 2 "[\"03f47a5115cd9e5e21b94136db90e2e3d6ac7e40396d8e62f73df3fd3fcfb3f214\",\"0395ad430034c1761bbe9b4dfd784fb06229970d54016a7e090fc6ceb3814611b5\"]" "bech32" – Prayank Nov 18 '20 at 13:43
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If solution suggested in the comment resolved your problem it's related to address_type in both RPC commands. It is legacy by default for createmultisig and set by -addresstype in bitcoin.conf for addmultisigaddress

You have used public keys in first command and addresses in second so I am not sure if the addresses are for same keys and in the same order.

Please refer to this question for order of keys: Is the `addmultisignature` API call dependent on order of public keys in the array? Or is it lexicographically sorted?

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