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Dated as if sent Friday, Sep 25, 2026.

This week: the stablecoin rulebook is taking shape while market-structure legislation stalls. Two federal comment windows close in the next four weeks, and DTCC's tokenization service is weeks from launch. Five US items, two from outside the US, three decisions, and what members are asking for.

01

GENIUS Act: the payment-stablecoin rulebook is now being written

What happened

The GENIUS Act was signed into law on July 18, 2025 (Public Law 119-27). It is the first US federal framework for payment stablecoins, covering licensed issuers, 100% reserves in liquid assets such as dollars and short-term Treasuries, monthly public reserve disclosures, and BSA/AML obligations. Implementation is now underway. The OCC proposed issuer rules on Feb 25, 2026, and Treasury proposed rules on who may issue, offer, and sell payment stablecoins "in the United States" on Aug 17, 2026. Comments on Treasury's proposal are due Oct 19, 2026.

Why it matters for builders

Treasury expects the Act to take effect on Jan 18, 2027. From then on, issuing a payment stablecoin in the US generally requires a federal or state license. Starting July 18, 2028, digital asset service providers generally may not offer or sell payment stablecoins to people in the US unless the issuer is licensed (with a separate path for qualifying foreign issuers). Treasury's proposal defines "issue," "located in the United States," and "offer or sell." It proposes treating every business that issues payment stablecoins as a digital asset service provider. It also asks how bridges, wrapped tokens, and white-label arrangements should be treated. If you hold, route, list, or embed stablecoins, these definitions decide what you owe.

What to do

Map every stablecoin your product touches: its issuer, whether that issuer is on a US licensing path, and how you touch it (hold, transfer, custody, display for purchase). If your setup involves bridging, wrapping, or white-labeling, read Treasury's questions on those points with counsel and decide whether to comment before Oct 19.

02

The CLARITY Act stalls in the Senate, so agency rulemaking is the path for now

What happened

On Sep 15, 2026, the Senate rejected cloture on the motion to proceed to H.R. 3633, the Digital Asset Market CLARITY Act, 49–50. Sixty votes were needed. Senators Collins, Hawley, Moran, and Tillis joined Democrats in voting no. Tillis's no vote was procedural and keeps open his ability to move to reconsider.

Why it matters for builders

Market-structure legislation won't arrive before the November midterms. A lame-duck attempt is possible but widely described as a long shot. For now, the practical line between SEC and CFTC jurisdiction will come from agency rules and guidance. Those are easier to reverse than a statute.

What to do

Don't build your 2027 roadmap assuming CLARITY passes. Write down which product and legal decisions depend on market-structure clarity, such as token classification, listing policy, and custody model. Tie each one to the specific agency rulemaking that would settle it, not to the bill.

03

SEC proposes "Regulation Crypto Assets": offering exemptions plus a safe harbor

What happened

On Aug 18, 2026, the SEC proposed Regulation Crypto Assets (File No. S7-2026-27). It includes a startup exemption allowing up to $5M over four years, a fundraising exemption allowing up to $75M per 12 months with financial statements and ongoing reporting, and a conditional safe harbor under which a crypto asset is deemed no longer subject to an investment contract once the issuer has completed or permanently ceased the essential managerial efforts it promised. The proposal builds on the SEC's Mar 17, 2026 interpretation, which sorts crypto assets into five categories. Comments are due Oct 20, 2026.

Why it matters for builders

This is the first proposed US path for teams that raise money or distribute tokens under a tailored disclosure regime instead of adapting Reg A or Reg D. The disclosure topics (plan of development, security and source code, token economics and allocations, governance, insider resale restrictions) are essentially a checklist of what regulators and serious counterparties will expect you to be able to explain.

What to do

Even if you have no token, use the Rule 103 disclosure topics as an internal readiness review for any on-chain asset or incentive program you run. If you do have or plan a token, have counsel assess the startup exemption and the safe-harbor conditions, and decide whether your team should comment by Oct 20.

04

Stripe-backed Tempo mainnet is live, with a protocol for machine payments

What happened

On Mar 18, 2026, Tempo, the payments-focused blockchain developed by Stripe and Paradigm, launched mainnet with public RPC endpoints. Alongside it came the Machine Payments Protocol (MPP), an open standard co-authored by Stripe and Tempo that lets software and AI agents pay for services programmatically. Tempo says its partners include Visa, Mastercard, Shopify, Ramp, Revolut, Nubank, OpenAI, and Anthropic.

Why it matters for builders

Stablecoin settlement is being packaged for mainstream payments teams, not only for crypto users. Machine-to-machine payments now have a published, rail-agnostic spec with large backers. That affects pricing and billing design for API, data, and infrastructure products.

What to do

If you sell usage-priced APIs, data, or compute, have one engineer spend a timeboxed day on the MPP spec and write up whether agent-initiated payments would change your billing flow. Payments teams should add Tempo to their chain-evaluation matrix next to their current settlement rails.

05

DTCC's tokenization service is set to launch in October 2026

What happened

On Dec 11, 2025, DTC received an SEC no-action letter to run a tokenization service for DTC-custodied assets (Russell 1000 stocks, major index ETFs, and US Treasuries) on pre-approved blockchains for three years. On Jul 15, 2026, DTCC processed production trades using DTC-tokenized assets with more than 30 participating firms. The trades covered collateral pledges, securities lending, Treasury/repo DVP, and CCP margin workflows, on Besu and Canton. DTCC says the service launches in October 2026.

Why it matters for builders

Tokenized versions of mainstream securities are moving into the core of US post-trade infrastructure. That creates integration work in wallets, custody, collateral tooling, data and indexing, and compliance, much of which large institutions will buy rather than build.

What to do

If you build custody, wallet, collateral, or data infrastructure, find out how DTCC approves wallets and networks (it said onboarding and approval details would follow) and who in its industry working group you can reach through your network. Treat it as a pilot and partnership opportunity, not a direct sales target.

Outside the US

06

EU: the MiCA grace period is over. No license means no EU clients, including B2B

What happened

The transition period under the EU's Markets in Crypto-Assets Regulation (MiCA) ended across the EU on Jul 1, 2026. That was the last date firms could keep serving EU clients under older national regimes while they waited on a MiCA license. On Jun 23, 2026, ESMA said unauthorised crypto-asset service providers (CASPs) must stop onboarding new EU clients right away, stop marketing, and limit themselves to winding down. ESMA also said CASPs based outside the EU cannot provide MiCA services to EU clients or solicit them. That applies to business clients too, and MiCA bars CASPs from outsourcing services such as custody to unauthorised firms.

Why it matters for builders

"We're a US company, so the EU is out of scope" no longer works if you run custody, exchange, transfer, or similar services for EU customers. The only exception is reverse solicitation, where the client comes to you entirely on their own initiative, and ESMA reads it narrowly. The B2B point matters most for small teams: an EU partner that relies on you for a service may now need you to be authorised, or it may drop you. EU vendors you use may also have left the market.

What to do

List every EU user, EU business client, and EU counterparty your product touches. Check each counterparty against ESMA's MiCA register. For EU revenue, pick one path and write it down: geo-block, go through an authorised EU CASP, or apply for your own license. Don't count on reverse solicitation as a growth channel. Have counsel confirm which of your activities count as crypto-asset services.

07

Hong Kong: first stablecoin licenses are out, and the retail door is narrow

What happened

Hong Kong's Stablecoins Ordinance took effect on Aug 1, 2025. On Apr 10, 2026, the HKMA granted the first two stablecoin issuer licenses, to Anchorpoint Financial (a Standard Chartered Hong Kong / HKT / Animoca Brands joint venture) and HSBC. It received 36 applications in the first batch. The HKMA said the bar will "remain high" and any future licenses will be "very limited" in number. On Aug 12, 2026, Anchorpoint started a phase 1 rollout of HKDAP, its Hong Kong dollar stablecoin on a public blockchain, for institutional distributors and professional investors. HashKey Exchange and OSL are the first distributors. Anchorpoint says broader retail access could come as early as end-2026.

Why it matters for builders

Under the Ordinance, only specified licensed institutions may offer a fiat-referenced stablecoin in Hong Kong. Only stablecoins from licensed issuers may be offered to retail investors. So a US app can't assume it can offer USDC or USDT to Hong Kong retail users, and a licensed HKD coin now exists for payments and settlement in Hong Kong. The same pattern is showing up elsewhere: a small number of bank-backed issuers, access that starts with institutions, and distribution only through licensed intermediaries.

What to do

If Hong Kong or APAC corridors are on your roadmap, have counsel map which stablecoins you can offer to which Hong Kong customer types, and through whom. Payments and treasury teams should add HKDAP to their settlement-asset list for HKD flows. Plan to reach Hong Kong users through a licensed distributor, not directly.

Decisions on the table

Example decisions of the kind members bring to the network. Composite and illustrative.

  1. Partner / market: Should a 20-person payments startup embed a single stablecoin issuer now, or build issuer-agnostic before GENIUS takes effect? Relevant inputs: Treasury's proposed "offer or sell" definitions (comments due Oct 19), issuer licensing timelines, and the Jan 18, 2027 expected effective date.
  2. Hiring / role move: First compliance hire: fractional counsel, a BSA/AML officer, or a compliance-minded product lead? Relevant inputs: which regulator your likely partners answer to, and how much GENIUS Act licensing and BSA/AML work lands on your team before Jan 18, 2027.
  3. Pilots / grants: Apply for an ecosystem grant or audit subsidy, or stay chain-neutral? Relevant inputs: milestone-based grant terms, whether the grant requires exclusivity (some builder programs do), and how that fits your chain-evaluation plan.

Opportunities

Real, publicly announced programs, listed as examples. Terms change and some may have closed. Check the source before relying on them.

  • Ethereum Foundation Ecosystem Support Program (ESP). Funds open-source work that strengthens Ethereum (builder tools, infrastructure, research, public goods) through a published Wishlist and RFPs. Also offers Office Hours for feedback. esp.ethereum.foundation
  • Solana Foundation Funding Program. Milestone-based grants for public goods, milestone-based convertible grants for public goods with a commercial component, and RFPs. Applications are reviewed on a rolling basis; the Foundation cites about 1 week for initial review and about 3 weeks for a decision. solana.org
  • Arbitrum Audit Program. Listed by the Arbitrum Foundation as active: $10M in ARB over 12 months to subsidize third-party smart contract audits for early-stage Arbitrum projects. arbitrum.foundation
  • Federal comment windows (open now). Treasury's GENIUS Act Section 3 proposal (comments due Oct 19, 2026) and the SEC's Regulation Crypto Assets proposal (comments due Oct 20, 2026). A short, specific operator comment is one of the cheapest ways a small team can shape the rules it will live under. federalregister.govfederalregister.gov

Member asks

FICTIONAL examples, shown only to illustrate how asks work. These are not real member requests.

Illustrative

Head of Product, 18-person stablecoin payouts startup:

"Looking for an intro to outside counsel who has worked through the OCC's GENIUS Act proposal, ideally someone who has advised a non-bank issuer or distributor. We'd like a 30-minute scoping call before we decide whether to comment on Treasury's proposal."

Illustrative

VP Engineering, 35-person custody infrastructure company:

"We're evaluating DTCC tokenization wallet onboarding. Has anyone here been through a similar institutional wallet approval process? I'd like to compare notes on the security review requirements."

This brief is for information only. It is not legal, tax, or investment advice, and it does not recommend buying, selling, or holding any asset. Events are summarized from public sources as of the dates shown. Check primary sources and talk to qualified counsel before acting.

Sources

  1. White House, "The President Signed into Law S. 1582" (Jul 18, 2025): https://www.whitehouse.gov/briefings-statements/2025/07/the-president-signed-into-law-s-1582/
  2. White House fact sheet, GENIUS Act (Jul 18, 2025): https://www.whitehouse.gov/fact-sheets/2025/07/fact-sheet-president-donald-j-trump-signs-genius-act-into-law/
  3. Public Law 119-27 (GENIUS Act text): https://www.congress.gov/119/plaws/publ27/PLAW-119publ27.pdf
  4. OCC Bulletin 2026-3, GENIUS Act NPRM: https://www.occ.gov/news-issuances/bulletins/2026/bulletin-2026-3.html
  5. Sullivan & Cromwell memo on OCC NPRM (Feb 25, 2026 date): https://www.sullcrom.com/insights/memo/2026/March/OCC-Proposes-Regulations-Implement-GENIUS-Act
  6. Treasury press release, GENIUS Act NPRM (Aug 17, 2026): https://home.treasury.gov/news/press-releases/sb0605
  7. Federal Register, Treasury GENIUS Act Section 3 NPRM (published Aug 18, 2026; comments due Oct 19, 2026): https://www.federalregister.gov/documents/2026/08/18/2026-16796/genius-act-regulations-on-payment-stablecoin-issuance-offer-and-sale
  8. U.S. Senate Roll Call Vote 234, 119th Congress 2nd Session (Sep 15, 2026): https://www.senate.gov/legislative/LIS/roll_call_votes/vote1192/vote_119_2_00234.htm
  9. Reuters, "US Senate fails to advance sweeping cryptocurrency bill" (Sep 15, 2026): https://www.reuters.com/legal/government/us-senate-vote-advancing-landmark-crypto-bill-2026-09-15/
  10. CoinDesk, White House/Treasury on lame-duck outlook (Sep 22, 2026): https://www.coindesk.com/policy/2026/09/22/crypto-market-structure-can-t-wait-for-shot-at-post-election-clarity-act-surge-white-house
  11. SEC press release 2026-76, Regulation Crypto Assets (Aug 18, 2026): https://www.sec.gov/newsroom/press-releases/2026-76-sec-proposes-new-regulation-crypto-assets
  12. Federal Register, Regulation Crypto Assets (published Aug 21, 2026; comments due Oct 20, 2026): https://www.federalregister.gov/documents/2026/08/21/2026-17183/regulation-crypto-assets
  13. Tempo, "Tempo Mainnet is live" (Mar 18, 2026): https://tempo.xyz/blog/mainnet/
  14. CoinDesk, Tempo mainnet launch (Mar 18, 2026): https://www.coindesk.com/tech/2026/03/18/stripe-led-payments-blockchain-tempo-goes-live-with-protocol-for-ai-agents
  15. DTCC, SEC no-action letter for tokenization service (Dec 11, 2025): https://www.dtcc.com/press-releases/2025/paving-the-way-to-tokenized-dtc-custodied-assets
  16. SEC no-action letter to DTC (Dec 11, 2025): https://www.sec.gov/files/tm/no-action/dtc-nal-121125.pdf
  17. DTCC, tokenized production trades; October 2026 launch (Jul 15, 2026): https://www.dtcc.com/press-releases/2026/dtcc-turns-tokenization-into-reality
  18. Stripe, "Stripe completes Bridge acquisition" (Feb 4, 2025): https://stripe.com/newsroom/news/stripe-completes-bridge-acquisition
  19. CNBC, "Stripe closes $1.1 billion Bridge deal" (Feb 4, 2025): https://www.cnbc.com/2025/02/04/stripe-closes-1point1-billion-bridge-deal-prepares-for-stablecoin-push-.html
  20. Paxos, PYUSD: https://www.paxos.com/pyusd
  21. Ethereum Foundation ESP: https://esp.ethereum.foundation/
  22. Solana Foundation Grants and Funding: https://solana.org/grants-funding
  23. Arbitrum Foundation Grants: https://arbitrum.foundation/grants
  24. ESMA, Public Statement ESMA75-113276571-1710, "ESMA calls on unauthorised crypto-asset service providers to wind down orderly… as MiCA transitional period ends" (Jun 23, 2026): https://www.esma.europa.eu/sites/default/files/2026-06/ESMA75-113276571-1710_Public_Statement_MiCA_transitional_period_ends.pdf
  25. ESMA, Statement ESMA75-113276571-1679, "Statement on the End of Transitional Periods under MiCA" (Apr 17, 2026): https://www.esma.europa.eu/sites/default/files/2026-04/ESMA75-113276571-1679%5FStatement%5Fon%5Fthe%5Fend%5Fof%5Ftransitional%5Fperiods%5Funder%5FMiCA.pdf
  26. HKMA press release, "Granting of stablecoin issuer licences" (Apr 10, 2026): https://www.hkma.gov.hk/eng/news-and-media/press-releases/2026/04/20260410-4/
  27. HKMA Insight, Eddie Yue, "Robust development of the regulated stablecoin ecosystem in Hong Kong" (Apr 10, 2026): https://www.hkma.gov.hk/eng/news-and-media/insight/2026/04/20260410/
  28. HKMA press release, "Implementation of regulatory regime for stablecoin issuers" (Jul 29, 2025; regime effective Aug 1, 2025): https://www.hkma.gov.hk/eng/news-and-media/press-releases/2025/07/20250729-4/
  29. HKMA press release, "Government welcomes passage of the Stablecoins Bill" (May 21, 2025): https://www.hkma.gov.hk/eng/news-and-media/press-releases/2025/05/20250521-3/
  30. Anchorpoint, "Anchorpoint commences institutional rollout of HKDAP via Beta Access" (Aug 12, 2026): https://anchorpoint.hk/uploads/2026/08/Anchorpoint-commences-institutional-rollout-of-HKDAP-via-Beta-Access-1.pdf
  31. CoinDesk, "Standard Chartered-led Anchorpoint launches Hong Kong dollar stablecoin" (Aug 12, 2026): https://www.coindesk.com/business/2026/08/12/standard-chartered-led-anchorpoint-launches-hong-kong-dollar-stablecoin
  32. Davis Polk, "Hong Kong's licensing and regulatory framework for stablecoins is now in effect" (Aug 2025): https://www.davispolk.com/insights/client-update/hong-kong-s-licensing-and-regulatory-framework-stablecoins-now-effect
  33. ESMA, Markets in Crypto-Assets Regulation (MiCA) page with interim MiCA register (checked Sep 27, 2026): https://www.esma.europa.eu/esmas-activities/digital-finance-and-innovation/markets-crypto-assets-regulation-mica
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