- Bitcoin (BTC):
- Created by an anonymous person or group of people using the pseudonym Satoshi Nakamoto. The true identity of Satoshi remains unknown.
- Ethereum (ETH):
- Proposed and developed by Vitalik Buterin, along with a team including co-founders like Gavin Wood and Joseph Lubin.
- Ripple (XRP):
- Developed by Ripple Labs, founded by Chris Larsen and Jed McCaleb.
- Litecoin (LTC):
- Created by Charlie Lee, a former Google engineer.
- Cardano (ADA):
- Developed by the company IOHK, co-founded by Charles Hoskinson, who was also a co-founder of Ethereum.