tZERO: SEC-Registered ATS for Security Tokens

tZERO processed an estimated $1.8 billion in secondary market transactions in 2025, commanding approximately 40% of all U.S. security token ATS trading volume and maintaining the largest listing base (120+ active security tokens) of any registered platform. As a subsidiary of Beyond, Inc. (formerly Overstock.com), tZERO benefits from public company backing, established regulatory relationships, and a decade of operating history that predates most of its competitors in the tokenized securities market.

Company History

tZERO’s origins trace to Patrick Byrne’s vision of using blockchain technology to reform securities settlement, conceived before the 2017 ICO boom made “security tokens” a mainstream concept:

• 2014: tZERO (then Medici Ventures) founded as a blockchain subsidiary of Overstock.com
• 2015: Overstock issued the world’s first SEC-registered blockchain-based corporate bond
• 2016: tZERO began development of its ATS trading platform for blockchain securities
• 2018: Completed a $134 million Reg D 506(c) security token offering for the TZROP token — one of the largest compliant security token raises at the time
• 2019: Launched secondary market trading on its ATS for the TZROP token
• 2020-2021: Expanded listing base to include real estate tokens, corporate equity, and Reg A+ offerings
• 2022-2023: Overstock rebranded to Beyond, Inc.; tZERO continued operations under new corporate structure
• December 2025: Launched 24/7 order entry with 23.5 hours of trading (12:05am-11:35pm ET, Mon-Fri) and received FINRA approval to act as retailer of open-end investment companies including tokenized mutual funds
• December 2025: Partnership with Polymath for RWA tokenization on the Polymesh blockchain; tZERO to operate a validator node
• Late 2025: Launched tZERO Connect secondary trading APIs for institutional access
• January 2026: Launched support for cryptocurrencies on its digital asset securities brokerage platform
• January 2026: Co-announced Agora with North Capital — the first technology network connecting ATSs for broader tokenized securities market access
• 2024-2025: Achieved $1.8 billion in annual secondary market volume with 120+ active listings

Regulatory Status

tZERO holds the most established regulatory position in the security token ATS market, with registrations earned through years of engagement with the SEC and FINRA:

The breadth of tZERO’s registrations enables integrated services: an issuer can conduct a primary offering (broker-dealer), maintain the ownership registry (transfer agent), and list for secondary trading (ATS) through tZERO without engaging separate service providers.

Platform Architecture

Trading Infrastructure

tZERO’s ATS operates a continuous order book matching engine that supports:

Order Types: Limit orders and market orders, with price-time priority matching. The platform does not currently support stop orders, trailing stops, or algorithmic order types — though these capabilities are under development.

Trading Hours: Extended hours from 6:00 AM to 8:00 PM Eastern Time, providing wider access than Securitize’s standard market hours (9:30 AM - 4:00 PM ET) but less than INX’s 24/7 exchange trading.

Compliance Checks: Pre-trade compliance verification runs automatically for each order:

• Accredited investor status confirmation for Reg D tokens
• Rule 144 holding period verification for restricted securities
• Geographic restriction checks for Reg S tokens during distribution compliance periods
• Position limit checks for offerings with concentration restrictions
• AML/sanctions screening against OFAC lists

Settlement

tZERO supports dual settlement modes:

T+2 Settlement (Standard). Consistent with standard U.S. equity settlement, trades are matched on the ATS and settled through traditional securities settlement infrastructure. This mode provides compatibility with existing financial infrastructure.

T+0 Atomic Settlement (Blockchain-Native). For select security tokens, tZERO offers real-time atomic settlement through delivery-versus-payment smart contracts on the blockchain. The token and payment are exchanged simultaneously, eliminating counterparty risk and settlement failure. The transition toward T+0 settlement aligns with the SEC Crypto Task Force’s interest in blockchain settlement modernization.

Custody

tZERO provides custody services for security tokens through its broker-dealer subsidiary, maintaining segregated wallets in compliance with the Customer Protection Rule (Rule 15c3-3):

• Cold storage: Multi-signature wallets in geographically distributed secure facilities
• Hot wallets: Online wallets for facilitating settlements with enhanced security controls
• Key management: Hardware security module (HSM) infrastructure for private key operations
• SAB 121 compliance: On-balance-sheet treatment for custodied digital asset securities per SEC accounting guidance

The custody framework for digital asset securities remains one of the most complex regulatory areas, and tZERO’s approach has evolved alongside SEC guidance — from the initial SPBD framework to the current qualified custodian model.

Listed Securities

tZERO’s listing base of 120+ security tokens spans multiple asset classes:

Flagship Listings

tZERO Security Token (TZROP). tZERO’s own security token, issued under Reg D 506(c) in 2018, representing a share of tZERO’s adjusted gross revenue. TZROP was the platform’s first listing and remains one of its most actively traded tokens. The token’s structure — a revenue-share right rather than equity — provided a template for subsequent security token offerings.

Exodus Movement (EXIT). Tokenized common stock of Exodus, the crypto wallet company, issued under Reg A+. EXIT was the first traditional equity security tokenized for ATS trading, demonstrating that stock certificates and blockchain tokens can represent identical rights. The Reg A+ structure made EXIT freely tradable to both accredited and non-accredited investors, generating higher liquidity than Reg D tokens.

Aspencoin (ASPD). Tokenized interest in the St. Regis Aspen Resort, representing a landmark real estate tokenization under Reg D. Aspencoin demonstrated that institutional-quality real estate assets could be fractionally tokenized and traded on an ATS, with the token price reflecting the underlying property’s performance.

Asset Class Distribution

Market Position and Competitive Analysis

Market Share and Volume Trends

tZERO’s 40% market share represents the largest single-platform position in the U.S. security token secondary market. Volume has grown consistently:

Market share decline is not a weakness — it reflects the expansion of the overall market and the entry of new platforms like Securitize Markets and INX, rather than loss of absolute volume.

Competitive Advantages

First-mover regulatory status. tZERO navigated the initial SEC and FINRA regulatory interpretations for blockchain-based ATS operations, establishing precedents that subsequent platforms have followed. This regulatory experience provides operational confidence and institutional trust.

Beyond, Inc. backing. As a subsidiary of a publicly traded company (Beyond, Inc., NASDAQ: BYON), tZERO benefits from public company governance, audited financial statements, and capital access that privately held competitors may lack.

Listing base depth. With 120+ active tokens, tZERO offers the broadest selection of security tokens on any single ATS, creating network effects — investors who join tZERO to trade one token gain access to the entire listing base.

Near-24/7 trading. In December 2025, tZERO launched 23.5 hours of daily trading (12:05am-11:35pm ET), positioning it as the industry leader in trading availability for tokenized securities. This extended-hours capability reflects the global, always-on nature of blockchain-based securities markets.

Competitive Challenges

Liquidity depth. Despite the highest aggregate volume among ATS platforms, individual token liquidity remains thin — the median token trades $5K-$15K per day with bid-ask spreads averaging 1.8%.

Market maker participation. tZERO has 4 active market makers, compared to Securitize’s 5 — both figures are far below the 400+ market makers on traditional equity exchanges.

Institutional competition. Securitize’s BlackRock partnership has established that platform as the institutional default, potentially redirecting the highest-value tokenization deals away from tZERO.

No exchange registration. Unlike INX, tZERO does not hold national securities exchange registration, limiting its ability to establish formal listing standards and access exchange-specific regulatory benefits.

Fee Structure

For the ATS platform comparison with Securitize and INX, see our detailed analysis. For Reg D vs. Reg A+ implications on secondary market tradability, see our exemption comparison. For ATS market data, see our tracking dashboard.

TZROP: The Original Security Token

tZERO’s own TZROP security token — issued under Reg D 506(c) in 2018 and later qualified under Reg A+ — serves as both the platform’s native token and a case study in security token lifecycle management. TZROP grants holders a preferred dividend right equal to 10% of tZERO’s adjusted gross revenue, providing a direct economic incentive that satisfies the Howey test as an investment contract and is structured accordingly under SEC registration.

TZROP’s transition from Reg D (restricted, accredited investors only) to Reg A+ (freely tradable, retail accessible) demonstrated the practical mechanics of regulatory migration for security tokens — including the SEC qualification process, the compliance infrastructure updates required to support broader investor access, and the liquidity impact of removing Rule 144 transfer restrictions.

For tZERO’s official regulatory filings, see SEC EDGAR - tZERO and FINRA BrokerCheck.