What is a blockchain?
A blockchain is a shared public record book that thousands of computers keep in sync. Every transaction is written into a 'block', blocks are chained together, and no single company can rewrite history. The XRP Ledger is a blockchain that closes a new block ('ledger') about every 3.5 seconds.
What is XRP?
XRP is the native coin of the XRP Ledger. It pays transaction fees (fractions of a cent, which are destroyed), bridges currencies for fast payments, and requires a small reserve to keep an account open. There is no mining — all 100 billion XRP were created at launch in 2012.
Coins vs. tokens
A coin (like XRP) is the native money of its own blockchain. A token is issued on top of a blockchain by someone else — on the XRPL anyone can issue tokens, including stablecoins like Ripple USD (RLUSD), which is backed 1:1 by US dollars.
What is a protocol?
A protocol is the set of rules every computer on the network follows so they all agree. The XRPL consensus protocol lets validators agree on which transactions are valid without mining. Other protocols define how tokens, decentralized exchange orders, and escrows behave.
What is a seed phrase?
Your 12 or 24 words ARE your wallet. They mathematically generate your keys, your address, and your ability to sign transactions. Whoever has the words has the money — which is why KeyVAULT generates them in your browser and never sends them anywhere.
Mainnet vs. testnet
Mainnet is the real ledger where real value moves. Testnet is an identical practice ledger with free, worthless test XRP from a faucet — the perfect place to learn without risking a cent. KeyVAULT connects to testnet by default.