6.6 Regulation 威斯康星州起诉五大加密平台，指其预测市场为非法赌博，要求禁止其在州内运营，引发州与联邦监管争议。
威斯康星州对五大预测市场平台——Kalshi、Coinbase、Polymarket、Robinhood 和 Crypto.com 提起诉讼，指控其事件合约在州法律下构成非法赌博，而非合法金融工具。州方认为，这些平台将赌博活动伪装成金融工具，以规避监管，用户可对现实事件（如体育赛事）下注并获得固定回报。 诉状已在戴恩县法院提交，针对预测市场生态系统的不同环节，旨在阻止这些服务在威斯康星州的提供。法律争议焦点在于，这类合约应受州赌博法监管，还是归联邦商品期货交易委员会（CFTC）监管，双方均引用相互矛盾的法律先例。 案件结果或将成为重要判例，甚至可能上诉至最高法院。威斯康星州寻求禁令及对过往违规行为的处罚，案件走向备受关注。
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