Sources: Polymarket has been designated as a gaming site in Singapore and blocked
On January 12, according to @alexzuo4 feedback, Polymarket has been defined as a gambling website in Singapore and blocked. Users will be prompted when they log in to Polymarket's official website in Singapore "This website is an illegal gambling website hosted by an unlicensed gambling service provider, and users may be fined up to $10,000 or imprisoned up to 6 months."