Ethash — the new Ethash Algorithm Cryptoasset Ethash is a global open-source token for decentralized digital currency on Ethash it brings you the best Ethash Algorithm token, easy to store and easy to controls digital value, and is accessible anywhere in the world, just like Ethereum. What is Ethash ? Ethash or known as HETH, is a digital decentralized currency, ethash using the ethash algorithm technology of token.