Nano How 1: Seeds and Keys – Nano

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Private and Public keys are a vital part of cryptocurrencies and provide a method of ownership of the coins/tokens/assets. They are simply unique, unpredictable large numbers (though often displayed in different formats) which act as ‘keys’ and give access to the user. There is a misconception that your Nano is stored in your wallet; your Nano only exists on the network and your wallet contains the keys allowing you to ‘manipulate’ them.

Nano uses a well established standard design of private and public keys. A private key is used to ‘sign’ transactions in the block lattice; this private key has a corresponding public key which is linked directly to an account address (or nano_…, more on this later). The only way to create a transaction on an account’s chain is to sign this block with the private key (see image below) — in Nano this can be to send or receive.

Signing blocks with a private key

As the private key is unique, when combined with the block itself it creates a unique signature. The linked public key can be used to check that the signature is correct — therefore if you try and create a signed block with the wrong private key it is easy for the network to reject the block. This design means that users don’t need to give out their private key for blocks to be validated, only the corresponding public keys.

Validating a block with a public key

A seed is just an easy way to create and manage lots of private keys. Instead of having lots and lots of private keys you have a single long number called a seed and wallets automatically run this through another algorithm which generates unique private keys (and the corresponding public keys). The private keys are generated in a deterministic sequence so the 1st will always be 1st, 2nd always be 2nd and so on — this is how you can recover your keys and therefore your Nano with a single seed. You can also generate a specific private key at any time if you know its index, also known as its account number.

The seed always produces the same private keys in order

Your Nano account addresses are simply your public keys (with a different format) and a checksum. The checksum makes it easy to check that the account address is valid. It is possible to go from a public key to an account address and vice-versa. An account address is linked via the public key to the original private key. On the Nano block lattice, each account has its own blockchain. This is in contrast to some other cryptocurrencies and is the reason why you can reuse your address.

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Coins Kaufen: Bitcoin.deAnycoinDirektCoinbaseCoinMama (mit Kreditkarte)Paxfull

Handelsplätze / Börsen: Bitcoin.de | KuCoinBinanceBitMexBitpandaeToro

Lending / Zinsen erhalten: Celsius NetworkCoinlend (Bot)

Cloud Mining: HashflareGenesis MiningIQ Mining

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