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Upbit Pauses HBAR Flows as Hedera Upgrade Tests Seoul Liquidity HONG KONG — South Korea's Upbit, by trading volume one of the most consequential venues in the Asia-Pacific digital asset corridor, will freeze deposits and withdrawals for Hedera's HBAR token from 2:00 p.m.
UTC on 20 May while the underlying network completes a scheduled protocol upgrade.
The pause will hold until validators confirm stability — a window the exchange has chosen, pointedly, not to bracket with a firm end time.
For a Tokyo trader or a Singapore desk routing flow through Korean won pairs, the operational read is straightforward.
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