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If on the other hand you controlled the funds with a majority of keys in a multisig i.e. you own both of the two needed keys of a 2-of-3 multisig, then it would always effectively be your bitcoin, even though the third key may belong to a trusted third party custodian. But this also comes with the responsibility that if you get hacked, you lose all your funds. That is why it's prudent, in a 2-of-3 multisig where you have the two needed keys, to have them in separate systems/locations. If one of them fails, you can go to the custodian to supply the third key and transfer your funds again to safety. But the custodian alone, cannot touch your funds just by virtue of having the third key.bitcoin hacker ethereum course bitcoin миллионеры bitcoin обозначение gemini bitcoin bitcoin сеть криптовалют ethereum биржа bitcoin bitcoin аналитика bitcoin описание ethereum пулы mine ethereum ethereum pow tether usb monero алгоритм bitcoin iso joker bitcoin armory bitcoin ethereum stratum
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