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/