Spier pool It is a minig platform, they are groups of cooperating miners who agree to share block profits. Spier Pool has a wealth of experience for cryptocurrency mining companies, in a new sign that the Japanese company remains as committed as ever to congratulating the future of mining companies, Spier Pool offers users a great opportunity and a great Support for the management of the mining properties portfolio despite the fact that it is a company that has five years of experience generating a positive reputation.