Data Availability: All data are available from figshare: https://figshare.com/articles/Wavelet_coherence_cryptocurrency_online_indicator_data_set/5765352.
Yet some crypto watchers have raised red flags over SafeMoon’s unusual structure. It charges a 10% fee to buy tokens and another 10% to sell -- almost unheard of in the digital currency world. Half of these fees are paid to owners as an incentive to keep holding and the other half goes into a liquidity pool controlled by the developers. SafeMoon calls itself a DeFi token, or one that uses decentralized finance to govern functions through software, but it has a chief executive officer and chief operating officer. Critics also worry about the discretionary nature of the “manual” coin burns used to adjust its circulation.

Generally, this means miners receive fewer new units per new block as time goes on. Eventually, miners will only receive transaction fees for their work, although this has yet to happen in practice and may not for some time.
Because most cryptocurrencies aren’t regulated by national governments, they’re considered alternative currencies — mediums of financial exchange that exist outside the bounds of state monetary policy.