SEC Opens a Regulated Lane for Tokenized Stocks as Macro Whipsaws Bitcoin and XRP
The SEC granted a five-year exemption letting permissioned automated market makers trade tokenized US stocks without registering as exchanges, opening a formal path for DeFi-style infrastructure to meet traditional equity markets. On the same day, Bitcoin swung from below $75,000 to above $80,000 and XRP slipped under $1.30, both reacting to a Fed rate hike and the CLARITY Act's stalled Senate vote. The Treasury sanctioned Iranian exchange BitBank over alleged Bitcoin transfers to the IRGC, and Chainalysis flagged a sharp rise in state-linked hackers hiding malware on public blockchains. Separately, Circle launched its Arc blockchain, WisdomTree and MoonPay struck a tokenized-fund partnership, Crypto.com's Nadex moved toward SEC-registered single-stock futures, and Vitalik Buterin offered commentary on AI and cybersecurity.
The day's stories
The SEC's Innovation Exemption gives permissioned AMMs a five-year window to trade tokenized, rights-bearing US stocks without registering as exchanges, a step several outlets say could bring DeFi-style trading infrastructure into direct contact with traditional exchange markets. Crypto.com's futures arm Nadex filed a Form 1-N the SEC acknowledged, moving it toward offering single-stock futures via OG.com, alongside similar pushes by Coinbase and Kalshi, though sources differ on whether the filing counts as SEC 'approval' or merely an automatic notice registration. The US Treasury sanctioned Iranian exchange BitBank, alleging it moved hundreds of millions of dollars in Bitcoin to the IRGC through a Strait of Hormuz scheme, extending secondary sanctions exposure to offshore platforms that process its transactions, though Treasury has not published wallet addresses for screening. Chainalysis reported a sharp year-over-year rise in malicious code hidden on public blockchains, attributing most new activity to North Korea- and Iran-linked hackers targeting wallet providers including MetaMask and Phantom. XRP fell below $1.30 on weak futures demand, the Fed's rate hike and the CLARITY Act's failed Senate vote before stabilizing near $1.35, with Ripple pointing to its SEC litigation outcome as a partial buffer. Circle's Arc, an EVM-compatible Layer 1 for stablecoin payments, FX and tokenized assets, opened its public mainnet on September 16 with reported interest from BlackRock, Visa and Mastercard, while WisdomTree and MoonPay announced a September 17 partnership expanding US access to the tokenized Treasury fund WTGXX for use in MoonPay's stablecoin reserves, and Vitalik Buterin argued AI-assisted formal verification could keep cybersecurity defense-favoring rather than tilt it toward attackers.
SEC Grants Five-Year Exemption Allowing Tokenized US Stocks to Trade on Permissioned AMMs
The SEC approved a five-year Innovation Exemption letting Tokenized Securities Venues trade tokenized US stocks via permissioned automated market makers without registering as exchanges.
XRP drops below $1.30 on CLARITY Act failure and Fed rate hike before rebounding on whale accumulation
XRP fell below $1.30 after a failed Senate vote on the CLARITY Act and a Fed rate hike, then recovered above $1.40 as whales accumulated 1.54 billion tokens over 96 hours.
US Treasury Sanctions Iranian Exchange BitBank Over Bitcoin Transfers to IRGC
OFAC sanctioned Iranian crypto exchange BitBank and associates, alleging it moved hundreds of millions of dollars in Bitcoin to Iran's IRGC.
Crypto.com's Nadex registers with SEC to trade single-stock futures via OG.com
Crypto.com's futures exchange Nadex filed a Form 1-N that the SEC acknowledged, letting it move toward offering single-stock futures in the US through OG.com, as Coinbase and Kalshi pursue similar approvals.
State-linked hackers drive sharp rise in malware instructions hidden on public blockchains, Chainalysis says
Chainalysis found malicious code stored on public blockchains rose sharply over a year, with North Korea- and Iran-linked hackers behind most of the new activity.
Circle Launches Arc, a Layer 1 Blockchain Built for Stablecoin Finance
Circle built Arc, an EVM-compatible Layer 1 blockchain for stablecoin payments, FX and tokenized assets, with its public mainnet opening September 16, 2026.
Vitalik Buterin Says AI-Driven Formal Verification Can Keep Cybersecurity Defense-Favoring
Vitalik Buterin argued AI hacking will not doom cybersecurity, saying AI-assisted formal verification could let defenders prove software is secure.
WisdomTree and MoonPay Partner to Expand US Access to Tokenized Treasury Fund WTGXX
WisdomTree and MoonPay announced a September 17 partnership giving US investors more access to WTGXX while MoonPay plans to use the fund in its stablecoin reserves.
Where the reports disagree
Bitcoin fell below $75,000 after the CLARITY Act stalled in the Senate, then surged past $80,000 following the Fed's 25-basis-point rate hike and a dovish dot plot, an episode reports frame as showing Bitcoin's sensitivity to both Fed signals and pending US crypto legislation, both still unresolved. Separately, a group calling itself iamnotavillain demanded 6,000 XMR, about $3 million, from Revolut within 24 hours, threatening to sell stolen customer data allegedly obtained by impersonating a government agency rather than breaching Revolut's core systems; Revolut says it has not been contacted about the demand, and the incident has drawn scrutiny from UK regulators over how the fintech authenticates law enforcement data requests.
Bitcoin Swings From Sub-$75K to Above $80K as Fed Hikes Rates and Clarity Act Stalls in Senate
Bitcoin fell below $75,000 after the Clarity Act stalled in the Senate, then surged past $80,000 following the Fed's 25-basis-point rate hike and a dovish dot plot.
Group Demands $3M in Monero From Revolut After Data Breach via Fake Government Emails
A group calling itself iamnotavillain is demanding 6,000 XMR (about $3 million) from Revolut within 24 hours, threatening to sell stolen customer data, which Revolut says it has not been contacted about.
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