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Permitted (with caveats)United States
- • No SEC, CFTC, or FinCEN ruling explicitly prohibits MEV extraction via arbitrage or liquidations as of April 2026.
- • Sandwich attacks against retail traders sit in unsettled legal territory — class-action exposure exists if attackers target identifiable victims. FRB Agent does not support sandwich attacks on retail flow.
- • Capital gains reporting applies to every executed trade. The IRS treats each swap as a taxable event regardless of whether a bot executes it.
- • Unregistered "investment advice" through bot signals could trigger SEC scrutiny — FRB Agent ships pure infrastructure with no signal feeds.
来源:SEC No-Action Letters 2024-2026,CFTC DeFi Subcommittee Report,IRS Notice 2014-21 (crypto tax)