Upbit, Bithumb and Coinone place SAND on delisting watchlist

South Korean exchanges Upbit, Bithumb and Coinone announced they have placed The Sandbox's token SAND on a delisting watchlist, citing a security incident whose cause has not been identified or remedied involving a virtual-asset wallet managed by the asset’s issuer or operator, or a distributed ledger used to issue, transfer or store the asset. Deposits and withdrawals for SAND have already been suspended.