References:

• Citadel, citizen, square - https://twitter.com/ZssBecker/status/1437848854712438785, https://twitter.com/ZssBecker/status/1437944263485108227
• Revolut - https://twitter.com/APompliano/status/1437825462479343624
• Solana - https://www.coindesk.com/markets/2021/09/15/solana-mainnet-back-online-after-day-in-the-dark/
• Gary - https://www.coindesk.com/policy/2021/09/14/sec-chair-gensler-coinbase-should-register-with-regulator/

References:

• Walmart Litecoin fake news - https://edition.cnn.com/2021/09/13/investing/litecoin-walmart-scam/index.html
• FLOKI - https://investorplace.com/2021/09/elon-musk-sends-fshib-and-floki-cryptos-soaring-with-new-puppy-pic/
• Safemoon - https://twitter.com/safemoon/status/1437438507832778759
• Saylor and Microstrategy - https://bitcoinmagazine.com/business/michael-saylors-microstrategy-buys-5050-more-bitcoin-as-total-investment-exceeds-3-1-billion

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

References:

• SHIB, Coinbase Pro - https://twitter.com/CoinbasePro/status/1436032397334781952
• Western Union - https://www.cnbc.com/2021/09/09/el-salvador-bitcoin-move-could-cost-western-union-400-million-a-year.html