# Emerald Help

> Emerald Wallet support and documentation — account setup, hardware wallets, transactions, and stablecoin management.

## Concepts

- [What Are Cold Wallets and Hot Wallets?](what-are-cold-wallets-and-hot-wallets.md): The definition of cold or hot wallets depends on where the private keys are located and if they have ever been used to sign and send transactions to the blockchain.
- [What Are Hardware Wallets and Software Wallets?](what-are-hardware-wallets-and-software-wallets.md): The concept of wallet types is a function of security vs convenience.
- [What Are Private and Public Keys?](what-are-private-and-public-keys.md): A private key is a secret password that is unique that controls a public key inside a blockchain.
- [What Are Smart Contracts?](what-are-smart-contracts.md): Smart contracts are a type of software programme conceptualized by Nick Szabo in 1994.
- [What Are Stablecoins?](what-are-stablecoins.md): A stablecoin cryptocurrency, or just stablecoin, is a non-native cryptocurrency or ERC-20 token inside a programmable or smart contracts blockchain that is pegged or associated to a national currency, such that 1 token equals 1 unit of the national currency.
- [What Are Transaction Fees?](what-are-transaction-fees.md): Blockchains such as Bitcoin, Ethereum, and Ethereum Classic accept new transactions so people may move cryptocurrencies from address to address or to use smart contracts or dapps in the case of Ethereum and Ethereum Classic.
- [What Cryptocurrencies Does Emerald Wallet Support?](what-cryptocurrencies-does-emerald-wallet-support.md): Emerald supports the following cryptocurrencies:
- [What Is a 24 Word Secret Phrase, Mnemonic Phrase, or Seed Phrase?](the-24-word-secret-phrase-also-known-as-mnemonic-phrase.md): The 24 Word Secret Phrase (also known as Mnemonic Phrase or Seed Phrase) is a group of randomly selected 24 words in a special order that can be transformed into your addresses and private keys in the various blockchains Emerald supports.
- [What Is a Blockchain?](what-is-a-blockchain.md): A blockchain is a decentralized network of computers around the world where all have exactly the same copy of the database of accounts, balances, smart contracts, NFTs, dapps, and other crypto assets.
- [What Is a Cryptocurrency?](what-is-a-cryptocurrency.md): A cryptocurrency is a new form of money invented by Satoshi Nakamoto when he published his Bitcoin white paper in October of 2008, and launched the Bitcoin blockchain network by releasing and running the first node software in January of 2009 with Hal Finney as the first other user.
- [What Is a DAO?](what-is-a-dao.md): DAOs are code on the blockchain that represent organizations of people to get together for different objectives.
- [What Is a Dapp?](what-is-a-dapp.md): When you use your computer or phone and you use software programmes like Facebook, Instagram, PayPal, SnapChat, Excel, Word, or Gmail, those are what are called "applications" or "apps" for short.
- [What Is a Non-custodial or Self-custody Wallet?](what-is-a-non-custodial-or-self-custody-wallet.md): To own or control cryptocurrencies and assets inside blockchains they are all under public keys, also known as accounts or addresses.
- [What Is a Private Key JSON File?](what-is-a-private-key-json-file.md): JSON file is an acronym for JavaScript Object Notation file.
- [What Is a Raw Private Key?](what-is-a-raw-private-key.md): A private key is a secret password that is unique that controls a public key inside a blockchain.
- [What Is a Transaction?](what-is-a-transaction.md): A transaction is a signed instruction sent to a blockchain by whoever has the private key associated with an address to move cryptocurrency from that address to another address, or to execute a smart contract, also known as a decentralized software program, or Dapp.
- [What Is an ERC-20 Token?](what-is-an-erc-20-token.md): An ERC-20 is a non-native cryptocurrency inside a programmable or Smart Contracts blockchain.
- [What Is an NFT?](what-is-an-nft.md): The term NFT stands for Non-Fungible Token Standard.
- [What Is Bitcoin?](what-is-bitcoin.md): Bitcoin was created by a Cypherpunk under the pseudonym "Satoshi Nakamoto" and it is the first and largest blockchain.
- [What is Emerald Wallet?](what-is-emerald-wallet.md): Emerald Wallet is a non-custodial or self-custody cryptocurrency wallet.
- [What Is Ethereum Classic?](what-is-ethereum-classic.md): Ethereum Classic is the original Ethereum blockchain.
- [What Is Ethereum?](what-is-ethereum.md): Bitcoin is the first and largest blockchain, but it doesn't have smart contracts, which are decentralized software programs inside the network.
- [What Is the Difference Between a Wallet, a Blockchain, an Account, and an Address in Emerald Wallet?](what-is-the-difference-between-a-wallet-a-blockchain-an-account-and-an-address-in-emerald-wallet.md): On Emerald, you may have many wallets, each wallet may have many blockchains, and in each blockchain you may have many accounts, which are also called "addresses".
- [What Is Wrapped Ethereum (WETH)?](what-is-wrapped-ethereum-weth.md): Ether (ETH) is the native token of the Ethereum blockchain and wrapped Ethereum (WETH) is a 1 to 1 representation of ETH but in an ERC-20 token format.

## Guides

- [How Do I Enable and Disable Blockchains in Emerald Wallet?](how-do-i-enable-and-disable-blockchains-in-emerald-wallet.md): Whether you have one or several wallets inside Emerald, you can have several cryptocurrencies or blockchains enabled inside each wallet.
- [How to Add More Ethereum Addresses to an Emerald Wallet](how-to-add-more-ethereum-addresses-to-an-emerald-wallet.md): Open Emerald and select the wallet in which you wish to add a new Ethereum address.
- [How to Back Up Your Wallets to an Emerald Vault Backup File](how-to-back-up-your-wallets-to-an-emerald-vault-backup.md): Open Emerald and see your wallets on the dashboard.
- [How to Change the Label of a Wallet](how-to-change-the-label-of-a-wallet.md): Open Emerald.
- [How to Change the Language](how-to-change-the-language.md): Open the Emerald main menu, which is on the top right of the app.
- [How to Change the Reference Currency](how-to-change-the-reference-currency.md): Open the Emerald main menu, which is on the top right of the app.
- [How to Change Your Password or Global Key](how-to-change-your-password-or-global-key.md): Open the Emerald main menu, which is on the top right of the app.
- [How to Create a New Ethereum Classic Wallet on Emerald by Importing a Private Key JSON File](how-to-create-a-new-ethereum-classic-wallet-on-emerald.md): First download Emerald Wallet to your computer and open it.
- [How to Create a New Ethereum Classic Wallet on Emerald by Importing a Raw Private Key](how-to-create-a-new-ethereum-classic-wallet-on-emerald-by-importing.md): First open Emerald Wallet on your computer and open it.
- [How to Create a New Ethereum Wallet on Emerald by Importing a Private Key JSON File](how-to-create-a-new-ethereum-wallet-on-emerald-by-importing.md): First download Emerald Wallet to your computer and open it.
- [How to Create a New Ethereum Wallet on Emerald by Importing a Raw Private Key](how-to-create-a-new-ethereum-wallet-on-emerald-by-importing-a-raw-private-key.md): First download Emerald Wallet to your computer and open it.
- [How to Create a New Wallet on Emerald With a 24 Word Secret Phrase](how-to-create-a-new-wallet-on-emerald-with-a-24-word-secret-phrase.md): Start by downloading Emerald Wallet.
- [How to Create a Wallet on Emerald Backed by Ledger Nano Model S or X](how-to-create-a-wallet-on-emerald-backed-by-ledger.md): Start by downloading Emerald Wallet.
- [How to Import or Restore a Wallet on Emerald With an Existing 24 Word Secret Phrase](how-to-import-or-restore-a-wallet-on-emerald-with-an-existing-24-word-secret-phrase.md): In case you lost your computer or phone, they broke, or you had to reset them, this is how to restore your Emerald Wallet again: First download Emerald here: https://emerald.cash/download Then, open it.
- [How to Restore Your Wallets From an Emerald Vault Backup File](how-to-restore-your-wallets-from-an-emerald-vault-backup.md): First, download Emerald here and open it: https://emerald.cash/download
- [How to Send and Receive Cryptocurrencies](how-to-send-and-receive-cryptocurrencies.md): Open Emerald Wallet.
- [How to Set Manually the Gas Fee When Sending Ethereum or ETC Using Emerald](how-to-set-manually-the-gas-fee-when-sending-ethereum.md): Open Emerald and select the wallet you wish to send cryptocurrency from.
- [How to Store the 24 Word Secret Phrase Safely](how-to-store-the-24-word-secret-phrase-safely.md): Do not store your 24 word secret phrase on cloud services such as Google Drive, Dropbox, iCloud, OneDrive, or any of the others.

## Other Languages

- [es-es](es-es/llms.txt)