Signature Bank Faced Criminal Probe Ahead of Firm’s Collapse
US prosecutors were investigating Signature Bank’s work with crypto clients before regulators suddenly seized the lender this past weekend, according to people familiar with the matter.
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### Instruction: Signature Bank Faced Criminal Probe Ahead of Firm’s Collapse

### Response: US prosecutors were investigating Signature Bank’s work with crypto clients before regulators suddenly seized the lender this past weekend, according to people familiar with the matter.