Ethereum validate keystore

We can verify honesty by looking at a validator's signed messages and we can prove malice by showing messages that violate the rules of consensus. In fact, in eth2, the identity of a validator is their public key. Specifically, each validator has two sets of keys: a signing key and a withdrawal key. Signing keys A signing key is the key a validator needs to sign attestations and propose blocks.

Because a validator needs to sign a message at least once per epoch, the client software must have custody of the key. To reduce the impact of such a breach, the actions a validator can perform are split between two keys. The signing key, as explained above, is used for the validator to perform their duties. A validator should only need to use their withdrawal keys a few times over the lifetime of being a validator.

This means they can be put into cold storage and stored with a high degree of security offline. If for every 32ETH staked, one needed to save and use 2 unrelated keys to make a deposit, this would get out of hand very quickly. Luckily, we have a solution.

The remedy is to have the keys use a common secret, so that storing a single secret gives access to multiple keys. In eth2, this is achieved via EIPs and : a set of standards that describe how withdrawal and signing keys are related, and how they can be derived from a single mnemonic. Mnemonics Mnemonics are another way of encoding secrets and are a much simpler means for people to store and back up their private keys.

The idea being that it is simpler to remember or write down sausage solution loud isolate focus glide frame door clown million shuffle impulse than 0x1e9f2afccfe8de4fe82db2ab61dacecbccba without making any mistakes. These paths describe a relationship between keys.

We use the seed to calculate the root of the tree and then build the tree in layers on top of this root. This tree of keys is defined purely through the relationship between the branch followed in the tree, and the tree's root. In practical terms, it allows us to find any key in the tree by starting at the root, and calculating the intermediate key at each branch we follow, until we reach the leaf we are interested in.

A wonderful consequence of this is that we can start with a single source of entropy a mnemonic, for example , and from there build out a practically unlimited number of keys. In addition, by securely storing just the mnemonic, you have a backup of every key that your validator uses. If you want to understand the contents of your json file, reference this medium article by Julien. Accessing Your Wallet The desktop application is not actively maintained.

The MyCrypto desktop application is part of an older version of MyCrypto that is not actively maintained. You can find the latest version of MyCrypto on mycrypto. MyCrypto does not allow you to use the web application to access your keystore file. Instead, you have to download the MyCrypto desktop app. A more detailed explanation on why we decided for this change can be found here. Follow our guide on running MyCrypto offline and locally.

Open the MyCrypto desktop application. Enter the password used to encrypt the file when the wallet was made. Click "Unlock" and your wallet will show up. Find your account address, next to a colorful, circular icon. This icon visually represents your address. If you printed out your wallet, check to be sure the circles match.

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