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According to ChainCatcher, citing Dune data, the prediction market landscape has formed a duopoly between Polymarket and Kalshi, while other platforms are struggling to break through. In the past week, Polymarket led with a nominal trading volume of $1.062 billions, followed closely by Kalshi with $950 millions. Limitless and Myriad recorded $21.93 millions and $3.85 millions, respectively. In terms of the number of transactions, Kalshi ranked first with 3.575 million trades, Polymarket reached 2.586 million trades, while Limitless and Myriad recorded 378,000 and 66,000 trades, respectively.

Jinse Finance reported that Ethereum co-founder Vitalik Buterin emphasized in an article that a key security property of blockchain is that even in the event of a 51% attack, invalid blocks cannot be made valid. Therefore, even if 51% of validators collude or there is a software failure, user assets cannot be stolen. However, he warned that if we start relying on validators to perform off-chain tasks that the chain itself cannot control, then 51% of validators could potentially collude to provide incorrect results, causing users to lose their protection mechanisms.