Goldman Sachs and Arc — a testnet trial, not a validator seat

Correction first: Goldman Sachs is not among Arc's 11 named founding validators (Circle, 5 August 2026). What is confirmed: Goldman Sachs signed up to trial Arc's technology at the network's public testnet launch on 28 October 2025, alongside BlackRock, Apollo Global Management, Anthropic, and ICE, per Bloomberg's reporting the same day — and Circle's own testnet-launch press release quotes a Goldman Sachs representative describing the trial as testing "how programmable settlement and interoperable FX workflows can enhance regulated markets." No update since has moved Goldman Sachs into the founding-validator cohort or disclosed further Arc-specific results.

Builds on Arc: Signed up to trial Arc's testnet for programmable settlement and FX workflows in regulated markets. · Role: Integrates · Category: Banks & Enterprises → Banks · Project page

What's confirmed, and from where

Two independent sources corroborate the same event: Circle's own 28 October 2025 press release names Goldman Sachs among the banks and asset managers "engaging with" Arc's newly launched public testnet, with the quoted statement above about programmable settlement and FX workflows. Bloomberg's same-day reporting frames it more plainly as a trial signup: "Goldman Sachs Group Inc, BlackRock, Apollo Global Management Inc, Anthropic PBC and Intercontinental Exchange Inc signing up to trial the technology." Both a primary Circle source and independent press corroboration exist for this — which is stronger sourcing than several entries in this cluster, even though the substance of the relationship (a trial signup, not a validator role) is thin.

Why the correction matters

Goldman Sachs is a large enough name that it gets pulled into "who's building on Arc" content regardless of whether the underlying claim is a testnet trial from October 2025 or the more consequential founding-validator status Circle announced roughly ten months later, in August 2026. It is not the latter. The 11 founding validators — BlackRock, DTCC, Galaxy, Global Payments, ICE, Mastercard, MoneyGram, SBI Group, Standard Chartered, Sumitomo Corporation, and Visa — do not include Goldman Sachs, and Circle's August 2026 release does not mention Goldman Sachs at all.

Goldman's other digital-asset infrastructure — for context, not conflation

Separate from Arc entirely, Goldman Sachs operates its own private tokenization platform, GS DAP, built on the Daml smart-contract language, which the bank has used for digital-asset issuance and, more recently, a tokenized real-estate fund built with Apex and Archax (reported June 2026), plus a tokenized money-market-fund solution launched jointly with BNY. None of this runs on Arc, and none of it should be read as Arc-adjacent activity — it's included here only to show that Goldman Sachs has an active, independent digital-asset strategy that exists whether or not its Arc testnet trial ever develops further.

What it does not mean

It does not mean Goldman Sachs is validating Arc transactions, has committed capital to Arc, or has disclosed any results from its October 2025 testnet trial. It does not mean Goldman Sachs will or won't join the validator cohort at some later date — nothing in the public record addresses that either way. And it does not mean Goldman's broader tokenization ambitions, which are real and substantial via GS DAP, are being redirected toward Arc.

Relationship to Arc, as of 2 Sep 2026

Role: Integrates — Banks & Enterprises → Banks (no Founding validator mark — Announced/exploring only)

Sources: - Circle: Launches Arc Public Testnet - Bloomberg: Goldman, BlackRock Sign Up to Trial Circle's Arc Blockchain - Circle: Founding Validator Cohort and Major Integrations for Arc - Goldman Sachs Developer: GS DAP