Scouting September: North Korea's $1B Year, the ETF Comeback, and a lack of CLARITY.

TL;DR. North Korea's Bitget heist ($351.6M) pushed the regime's 2026 crypto haul past $1 billion. A $320M Liquid Network exploit made September the year's second-costliest hack month. Bitcoin ETFs flipped positive for 2026 with a record $2.4B weekly inflow. The CLARITY Act died on the Senate floor, 49–50 — leaving the SEC to write the rules alone. And L1s hit sub-second finality: Solana's Alpenglow (150ms) and MultiversX's Supernova both went live.

Industry Headlines

North Korea Passes $1B for 2026 After the $351M Bitget Hack

On September 24, Bitget's security systems flagged unauthorized transfers from a handful of hot wallets. By the time it was contained, roughly $351.6 million was gone in the single biggest crypto exchange attack of the year. Attackers breached a backend wallet system, spoofed transfer data, and tricked Bitget's own authorization-signing process into approving the withdrawals. Analytics firm Elliptic tied it to North Korea, pushing the regime's tracked 2026 haul past $1 billion across 50+ incidents.

Bloomberg on the Bitget attack

A $320M Liquid Network Exploit Made September the Year's Second-Worst

Days earlier, on September 7, an attacker drained roughly 4,000 of the 4,200 BTC held in a Liquid Network wallet — about $320 million on a Bitcoin sidechain used by several exchanges to move funds. Together, Bitget and Liquid accounted for 98% of September's ~$684 million in exploit losses. The lesson repeats: the weak point is rarely the base-layer cryptography, it's the operational plumbing around it.

Bloomberg on the Liquid Network hack

Bitcoin ETFs Flip Positive for 2026 With a Record $2.4B Week

The mood on the institutional side was the mirror image. In the week ending September 25, spot Bitcoin ETFs pulled in about $2.4 billion, their largest weekly inflow since October and a seven-session buying streak. That was enough to flip US spot Bitcoin ETFs to roughly $800 million net positive for 2026, reversing a $5.8 billion deficit from July. Spot ETH ETFs added $689.9 million over the same stretch. Bitcoin held above $84K; the total market briefly reclaimed $3 trillion.

The Block on the record ETF week

The CLARITY Act Dies 49–50 and the SEC Fills the Vacuum

On September 15, the Senate's cloture motion on the CLARITY Act failed 49–50, far short of the 60 votes needed. Comprehensive crypto market-structure legislation is dead for now. In its place, the SEC kept building its own framework: a September 1 proposal to let registered transfer agents track securities ownership on distributed ledgers, and a September 17 "innovation exemption" order. The regulatory path forward runs through rulemaking, not Congress.

FinTech Weekly on the CLARITY Act vote

Blockscout Updates

Arc Is Live and Blockscout Is Its Official Explorer

Circle's Arc mainnet went live this month, and Blockscout is powering it from day one. Arc is an open, EVM-compatible Layer-1 built for financial markets including real-time settlement, agentic optimizations, and USDC as the gas token. At explorer.arc.io you can live-track transactions, addresses, contracts, and gas, with verified contract source and decoded logs from block zero.

Autoscout Wizard: An Explorer in Minutes

We shipped the Autoscout Wizard. Enter your RPC, press a button, and watch your explorer come together in minutes — no infra spelunking required. It's the fastest path yet from "new chain" to "fully indexed, self-hosted Blockscout instance."

Token Info Prioritization Enabled

Token submitters can now pay an optional fee to move to the front of the review queue. If you need your token's logo, socials, and metadata live fast, the Token Info Prioritizer gets you there without waiting behind the backlog.

Deep Dive

Circle's Arc is the clearest sign yet of where "stablecoin-native" infrastructure is heading: a Layer-1 where USDC pays for gas, settlement is real-time, and the chain is tuned for money movement rather than general-purpose compute. We broke down what Arc is, why Circle built its own chain, and what a transparency layer looks like when the native asset is the dollar, with Blockscout as the official explorer from launch.

Read "Exploring Arc" on the blog

What's next month

• Ethereum Glamsterdam Sepolia fork (Oct 6) — the last big testnet step before the Q4 mainnet upgrade.
• ETF momentum meets the FOMC aftermath — whether the record inflows hold once the rate picture settles.