Details on Yang - https://www.reddit.com/r/CryptoCurrency/comments/kjak8i/andrew_yang_files_paperwork_to_run_for_new_york/

Updates on XRP - https://www.forbes.com/sites/billybambrough/2020/12/23/the-beginning-of-the-end-for-ripple-and-xrp-as-coinbase-considers-its-options/?sh=37388e5dd449

More about delist - https://www.financemagnates.com/cryptocurrency/exchange/crypto-exchanges-start-to-delist-xrp-to-avoid-legal-troubles/

Details on Ripple: https://www.forbes.com/sites/jonathanponciano/2020/12/22/sec-charges-ripple-with-selling-13-billion-in-unregistered-securities-xrp-loses-2-billion-in-market-value/?sh=1f8fa32a7e66

More details on "KYC" - https://www.coindesk.com/coinbase-ceo-trump-administration-may-rush-out-burdensome-crypto-wallet-rules

References:

ada - https://www.reddit.com/r/CryptoCurrency/comments/jzty7p/daily_discussion_november_24_2020_gmt0/gdhjcx1/

coinbase - https://www.theblockcrypto.com/linked/85659/coinbase-discontinue-margin-regulation