Details on main topic: https://cointelegraph.com/news/cardano-launches-smart-contracts-after-successful-hard-fork

References:

• XRP - https://thebitcoindesk.com/2021/04/sec-agrees-to-redact-two-documents-in-ripple-lawsuit/
• WRX - https://twitter.com/WazirXIndia/status/1378943944076242945
• Expensive - https://twitter.com/binance/status/1378693951180398594
• Capitalism - https://twitter.com/APompliano/status/1378883520182030336

References:

• Printers - https://twitter.com/SwiftOnSecurity/status/1377356885897093123
• Goldman - https://www.forbes.com/sites/jonathanponciano/2021/03/31/goldman-sachs-to-become-second-big-bank-offering-bitcoin-to-wealthy-clients/?sh=4a7bbbbe722f