Altcoin or alt-coin
Cardano is popular due to this straightforward but achievable goal. Bitcoin Cash Bitcoin Gold. It used SHA , a cryptographic hash function, as its proof-of-work scheme. Requires multiple months of time to sync to eth blockchain. According to Jan Lansky, a cryptocurrency is a system that meets six conditions: [18]. This is supposed to make it much more difficult to generate bitcoins, as increasing memory space required for the proof-of-work algorithm reduces the mining speed, and makes it harder for any one user or group of users to dominate the blockchain. Most cryptocurrencies are designed to gradually decrease production of that currency, placing a cap on the total amount of that currency that will ever be in circulation.