PolySign is a fintech company that builds institutional-grade infrastructure for securing and transacting in digital assets. PolySign's Twitter Score is 12 out of 1000 as of August 2026, ranking #79,810 among 483,944 tracked accounts.
PolySign was co-founded by Arthur Britto and David Schwartz, who designed its proprietary private-blockchain technology engine for securing digital assets. The company's stated mission is to drive global adoption of digital assets by providing institutions with the infrastructure to secure and transact in them. PolySign has attracted backing from Cowen Digital Asset Investment Company, Blockchain.com, Race Capital, Brevan Howard, GSR, Boathouse Capital, Sandia Holdings, and PilotRock Investments.
PolySign raised an initial closing of $53 million in a Series B round in May 2021, with Cowen leading that round alongside a $25 million strategic investment. In 2022, the company raised a further $53 million Series C round and secured a $25 million credit facility from Boathouse Capital. Also in April 2022, PolySign acquired digital-asset fund administrator MG Stover for a combination of cash and PolySign stock. In 2025, MG Stover's fund-services division was acquired by Securitize, with MG Stover now concentrating on its OTTO crypto-data middleware platform.
PolySign previously operated Standard Custody & Trust Company as a wholly owned subsidiary. Ripple agreed to acquire Standard Custody & Trust Company in February 2024, with that transaction closing in June 2024. PolySign has published 172 posts on the platform and has been mentioned by 34 accounts a total of 111 times.
PolySign's portfolio includes MG Stover.
Who follows PolySign on X?
The accounts that follow PolySign include 43 founders, 15 angel investors, 38 influencers and 4 VCs. Among them are Mike Novogratz, Mario Nawfal, Michael Arrington, Rebecca Rettig, Mark W. Yusko - Two Point One Quadrillion and Logan Jastremski.