GEORGE TOWN, Cayman Islands, May 18, 2026 (GLOBE NEWSWIRE) -- Toobit, the award-winning global cryptocurrency exchange, today announces a limited-time upgrade to its TON Fixed Earn product. Starting May 19, 2026, at 10:00 UTC, Toobit is boosting rewards on Toncoin (TON) to an industry-leading 36% APR for a 3-day term. The event runs until May 22, 2026, at 10:00 UTC, providing a premium over the standard 4% APR typically available for 30-day fixe…