Greg Thomson is a freelance writer who contributes to leading cryptocurrency and blockchain publications like CCN, Hacked, and others.
source https://www.google.com/url?rct=j&sa=t&url=https://hacked.com/cryptocurrency-portfolio-optimization-coin-bags-for-5-different-types-of-holder/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNGz9ZCqibecCfmTQOcFKaYklcc-SA
