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How can I recover last word of BIP-32/39 mnemonic copay second signature multisig wallet

Bitcoin Asked by Capgros on November 21, 2021

I’ve got a multisig 2of2 wallet in copay.

I’ve one wallet correct but have lost second wallet and only have 11 of the 12 words of the seed.I’m pretty sure I miss the last one.
I’ve got some of the first created adresses and trying to recover using btcrecover but throws an error:

The entered address is invalid (not a Bitcoin P2PKH address; verson byte is 0x05)

Copay uses P2SH addresses for multisig addresses and I don’t know hot to proceed.

Any hints?

One Answer

last word only have 128 possibilities you can calculated by the first 11 words

Answered by sro sappl on November 21, 2021

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