What is an atomic coin? Is it legal?

It is a cryptocurrency, which is illegal. Atomic currency is a kind of cryptocurrency, mainly in the form of P2P. Its acquisition method is similar to Bitcoin, and it is obtained through a certain algorithm, rather than being issued by a currency issuer. It belongs to digital currency, but at present, this kind of currency is illegal without clear legal provisions in China. Users should keep a high degree of vigilance when investing to avoid being cheated.