From Sec's lawsuit against Uni, we can see that POW coins are the safest.

No matter how good a project is, it cannot withstand the extortion of the gangster SEC. From XRP to Binance to Uni, whoever becomes big and has money will be extorted, making everyone feel insecure.

Traditional POW coins do not have this trouble. There is no pre-mining, the total amount is constant, all beings are equal, everyone can mine, and there is no financing attribute. The gangster SEC cannot catch any handle and cannot extort $LTC $BTC $UNI