Weekly Roundup 04/18/25 (Signature Postmortem, Mantra collapse, Powell on stablecoins) (EP.615)
On The Brink with Castle Island - A podcast by Castle Island Ventures

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Matt and Nic are back with another week of news and deals. In this episode: We recap Nic’s article on why Signature collapsed Crypto exchange OKX announced their plans to expand to the US Kraken announced that US equities are now supported on the exchange MANTRA, a layer 1 network focused on RWAs, saw the price of its native token crash 90% in a matter of hours Global Payments agreed to acquire Worldpay, a payments processor, for $24 billion from FIS and private equity firm GTCR The US Department of Homeland Security has launched a probe into Anchorage, the digital asset custodian, related to the company's AML polices Jerome Powell reiterates his support for stablecoin legislation Strategy (and others) buy more Bitcoin Content mentioned in this episode: Galaxy Digital, The State of Crypto Lending Nic Carter in Piratewires, Signature Didn’t Have to Die, Either