According to the Form ADV Filing dated May 11, 2022, the BlockTower Blue Signum SPV fund, which had about $4.6 million in gross asset value at the time of the filing, used Silvergate Bank as its sole custodian. The BlockTower DeFi SPV I fund ($74.6 million in gross assets) also listed only Silvergate, while the BlockTower Gamma Point Master Fund ($89 million) had Signature Bank as the custodian.
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