Is XRP proof of work?

How Ripple Works. The Ripple network does not run with a proof-of-work (PoW) system like bitcoin or a proof-of-stake (PoS) system like Nxt . Instead, transactions rely on a consensus protocol in order to validate account balances and transactions on the system.

Read more

Is Ethereum a proof of work coin?

Blockchains don’t have a central gatekeeper, like a bank, to verify transactions. Instead, both Bitcoin and Ethereum, the two largest cryptocurrencies, rely on a consensus mechanism called “proof of work” to maintain a time-ordered ledger of transactions . Crypto miners are at the core of that process.

Read more