Sean Neville

@psneville

Cofounder @circle, cofounder @catena_labs

circle.com

Joined September 2010

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Sean Neville
@psneville
Jul 22, 2025
nostalgia: came across a notebook circa 2017 with my rough sketches on how USDC payments might flow through settlement-chains-reserves, with an eth contract imagined as a programmable "central bank" feeding several issuers, plus an ecosystem of service providers for fx/risk
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Sean Neville
@psneville
Aug 25
Hard policy controls tell you whether an agent can move money. Intelligent mandates tell you whether that movement has anything to do with the job you gave it. And you should be able to enforce both, prove every decision and maintain one audit trail across cards, bank accounts,
Catena
@catena_labs
Aug 25
An agentic payment can pass every conventional control and still be wrong for the job. Authorized operator. Approved counterparty. Capped amount. Required evidence attached. But no connection to the task the agent was assigned. Here’s an early look at how Catena is tackling
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Sean Neville
@psneville
Aug 8
Hearing 2 extremes: (1) AI operators skeptical that stablecoins will have any serious role at all in agentic finance vs. (2) crypto family certain that agentic finance will only use crypto, never anything else. Both extremes may underestimate the new hybrid taking shape.
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Sean Neville
@psneville
Jul 21
As dollars become programmable on global rails, banking infra must evolve. Augustus is rebuilding the clearing bank from first principles for fintechs and banks around the world. Congrats to @FerdiDabitz and the team!
Ferdinand Dabitz
@FerdiDabitz
Jul 21
Augustus has raised 180M$ on 1B$ to build the Global Dollar Bank. The dollar is the best product in the history of the world - with infinite global demand. But International Fintechs and non-US banks are left with two unsatisfying options to access it: Either they build on
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Sean Neville
@psneville
Jul 9
Always fun and insightful to catch up w/ @cuysheffield and enjoyed meeting and trading notes with @bamazizimesh. Grateful to build meaningful things alongside inspiring people who saw the vision for stablecoins all along.
Cuy Sheffield
@cuysheffield
Jul 9
Learned a ton from this discussion on lessons from USDC and the future of agentic identity with the brilliant Sean Neville
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