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Prometheum

Can a fully SEC- and FINRA-regulated digital asset broker-dealer become the infrastructure layer connecting tokenized securities and crypto assets to mainstream Wall Street distribution via broker-dealers and RIAs?

Founded2017
HQNew York, New York, United States
FoundersAaron Kaplan, Benjamin Kaplan
Total raised$112.7M
Latest roundAdditional raise, January 2026
IndustryFintech / Crypto
The story

Founded in 2017, Prometheum set out to bridge traditional securities regulation and the digital asset economy by building SEC- and FINRA-registered market infrastructure for digital asset securities. The company operates an Alternative Trading System (Prometheum Ember ATS) and a Special Purpose Broker-Dealer/custodian (Prometheum Capital LLC), making it the first regulated full-lifecycle platform for digital asset securities in the US. By 2026, Prometheum pivoted from serving end investors directly to a B2B correspondent clearing model, targeting broker-dealers and RIAs as distribution partners for tokenized securities and crypto assets.

Last 12 months
2026-01
2026-05
2026-03
Product timeline
2017
Prometheum Inc. founded in New York as a digital asset securities platform.· pivot
2021
Prometheum Ember ATS, Inc. (PEATS) registered as an SEC broker-dealer and filed Form ATS; signed custodial Master Services Agreement with Anchorage Digital Bank.· banking
2024
Prometheum Capital LLC received FINRA approval as a Special Purpose Broker-Dealer and became the first SEC-qualified custodian for digital asset securities; launched custody and clearing platform.· banking
2024
Prometheum selected Broadridge Financial Solutions for back-office post-trade lifecycle, bookkeeping, reconciliations, and regulatory reporting.· acquisition
2026
Prometheum raised an additional $23M from high-net-worth investors and institutions to accelerate commercial expansion.· banking
2026
Launched Prometheum Capital's Digital Brokerage Solutions — correspondent clearing, custody, and trading infrastructure for broker-dealers and RIAs to offer tokenized securities and crypto assets.· banking
Regulated entities
Special Purpose Broker-Dealer (SPBD)
US (SEC / FINRA) · 2024
Prometheum Capital LLC
Alternative Trading System (ATS) / Broker-Dealer
US (SEC / FINRA) · 2021
Prometheum Ember ATS, Inc.
The stack
Crypto
Anchorage DigitalAnchorage Digital
Accounting gap: none