The operational architecture behind Binance's US stock trading service has recently been disclosed in detail. The business employs a dual-core model that separates “introducing broker” and “clearing broker” functions, channeling customer orders through a distinct set of licensed intermediaries rather than executing them directly. Under this structure, client order referral is handled by Nest Trading, while all trade execution, clearing, settlement, and asset custody are outsourced to US-based fintech firm Alpaca Securities.
A Dual-Core Framework: Introducing Broker and Clearing Broker
In this arrangement, Nest Trading acts as the introducing broker, receiving and routing Binance users' orders without holding customer funds or executing trades itself. On the other end, Alpaca Securities, a broker-dealer registered with the U.S. Securities and Exchange Commission (SEC) and a member of both the Financial Industry Regulatory Authority (FINRA) and the Securities Investor Protection Corporation (SIPC), takes on the full lifecycle of order execution, clearing, and custody. This division allows Binance's equity service to form a closed loop between an Abu Dhabi-licensed front-end and a US-regulated back-end, satisfying offshore regulatory requirements while leveraging the mature infrastructure of American markets.
Nest Trading: The ADGM-Licensed “Troika”
Nest Trading traces its roots to BCI Limited and obtained a broker-dealer license from the Financial Services Regulatory Authority (FSRA) of the Abu Dhabi Global Market (ADGM) at the end of 2025, officially commencing operations on January 5, 2026. Together with Nest Exchange and Nest Clearing and Custody, it forms what Binance describes as its regulatory “troika” within the ADGM, all registered on Abu Dhabi's Reem Island. These three entities underpin Binance's over-the-counter (OTC) trading, Convert, Earn, and other key business lines, enabling the group to offer financial services to global users under ADGM's regulatory umbrella.
Alpaca: The Unicorn Commanding 94% of Tokenized Equities
Alpaca Securities holds a dominant position in the tokenized equity and ETF niche. Data shows that Alpaca commands a 94% market share of tokenized US stocks and ETFs, providing the underlying infrastructure for platforms such as Ondo Finance to achieve 1:1 on-chain representation of traditional assets. The firm completed a $150 million Series D funding round in January 2026 at a valuation of $1.15 billion, officially entering unicorn status. Investors in the round included Citadel Securities, crypto exchange Kraken, and Mitsubishi UFJ Financial Group (MUFG). As of early 2026, Alpaca serves more than 300 institutional clients, covers 9 million brokerage accounts, and reported total assets of $1.386 billion at the end of 2025 with net capital exceeding $100 million.
An Independent Partnership Forging a Cross-Border Loop
Public records indicate that Binance and its core team had no prior relationship with Alpaca. The collaboration forged in 2026 materializes for the first time the combination of “ADGM-licensed front-end + US-compliant clearing,” creating a full cross-border trading closed loop for US equities. It not only expands Binance's compliant asset offerings but also injects new liquidity and institutional-grade credibility into the tokenized stock market, offering a concrete example of how crypto platforms can integrate with traditional financial infrastructure under regulatory frameworks.