I don't believe Bitcoin and Xrp should be used in same sentence.
And yeah you right about the risk of shitcoins and the fact they can give quick gains (a mirage)
many Altcoins are centralized
All altcoins are centralized even the ones that claim they are decentralized like Ethereum.
PoW is very hard or almost impossible to compromise. Not so for PoS, where more attack vectors can be found.
Yeah I agree on the fact of the security of POW, but that's with Bitcoin
Bitcoin cash and litecoin are POW but are not secured due to their low hashrate.
SEC needs to crush Ripple
Not after they funded the presidents campaign
and have been added to their songs called strategic reserve