Most Ethereum-based wallets have a 12-word recovery phrase, which acts as the key to your wallet.
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Is it safe to give Coinbase my SSN? – Quora. In my opinion, yes, it is safe to give Coinbase your social security number . You must consider that opening an account at Coinbase actually is no different than opening a bank account. They must have your tax id for the purpose of reporting to the IRS.
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