What cryptocurrencies use blockchain technology?

Could you elaborate on which specific cryptocurrencies leverage blockchain technology as their underlying foundation? Blockchain, often heralded as the backbone of the cryptocurrency revolution, enables secure, transparent, and immutable record-keeping. As a result, it's pivotal in the functioning of numerous digital currencies. Some of the most well-known examples include Bitcoin, which pioneered the use of blockchain in a decentralized financial system, Ethereum, a platform that allows for smart contracts and decentralized applications, and Litecoin, a lightweight alternative to Bitcoin. However, the list is far from exhaustive, and numerous other cryptocurrencies also rely on blockchain technology. Could you provide some insights into which cryptocurrencies specifically utilize this technology?