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bitaddress.org already provides your private key in Wallet Import Format, which is encoded in base58check format. In the example screenshot below, the base58check-encoded WIF private key is KzNKqwBPaVehsA2F94n9UJ5mrkM9NazBjqBBwsb2U9pAGLdc4md3 To address your "rule 1", the most secure way to handle this data is load Electrum onto an airgapped ...


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Later I read that it's impossible to transfer bitcoin between those two kinds of wallets. Is it true? This is not true. However a wallet needs to know about Segwit addresses in order to be able to send to them. Since it is a new address type (well new when it was introduced 3 years ago), software that hasn't implemented it yet won't know what to do with it. ...


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The design/structure of a paper wallet is not something is set in stone, but the main idea is writing public and private key pairs on a piece of paper. The universal flow for generating an address is: A public key is derived from private key A bitcoin address is derived from public key The common flow (Mnemonic) for generating an address is: Master ...


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Just to be clear/nitpick, the products you've linked to are designed to act as highly resilient physical backups for a bitcoin wallet. It doesn't really make much sense to refer to these metal plates/etc as 'metal wallets', as they cannot perform any normal wallet functions (send, receive, etc). Rather, they are just a way to store a backup for the seed that ...


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