https://www.coindesk.com/telegram-responds-to-sec-gram-tokens-are-not-securities
“Significantly, Telegram has already treated the Private Placement as a securities offering pursuant to valid exemptions to registration under the Securities Act of 1933. The grams themselves, as distinct from the purchase contracts, will merely be a currency or commodity (like gold, silver or sugar) — not a ‘security’ — once the TON Blockchain launches. “