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Odaily News: The U.S. Attorney's Office for the Southern District of New York has charged Robinhood engineers Hefu Chai and Huaisong Xiang with allegedly using material non-public company information to trade perpetual contracts of related tokens on Hyperliquid ahead of announcements. Both face charges related to commodities fraud and wire fraud.

According to the complaint, between 2025 and 2026, the two had access to non-public information about cryptocurrencies that Robinhood Crypto was about to add support for due to their job responsibilities, and repeatedly bought perpetual contracts for the corresponding tokens on Hyperliquid before Robinhood officially announced the listings. Each profited more than $50,000 from the related trades. Each faces one count of violating the Commodity Exchange Act and one count of wire fraud, with maximum penalties of 10 years and 20 years in prison, respectively. Prosecutors emphasized that the charges have not yet been proven in court and that both defendants are presumed innocent until proven guilty.

Odaily News: According to defioasis, on the last full calendar day before Arc's official cross-chain bridge and mainnet launch, Arc's on-chain daily transaction count surpassed 450,000, setting a new record, with over 10,000 active addresses, including more than 4,000 new addresses, and daily USDC transfer volume exceeding $300 million.

Odaily News: On September 16, the Arc mainnet officially launched, and Ave completed integration with the Arc chain ecosystem at the earliest opportunity, becoming the first to support cross-chain instant swaps, on-chain trading, market tracking, and Twitter monitoring, helping users discover new assets faster, capture market trends, and complete transactions.

With the launch of the Arc ecosystem, on-chain launch platforms and MEME assets have quickly gained traction. Among them, the market cap of Argus.word platform token $ARGUS has surpassed $20 million, and Ave's market page will also launch a dedicated Argus leaderboard, making it easier for users to centrally track related trending assets.

Currently, Ave has connected to over 22 mainstream launch platforms, continuously covering new asset issuance scenarios across different public chains, providing users with a one-stop on-chain toolkit spanning information discovery, market tracking, cross-chain swaps, and trading.

Odaily News: Polymarket Vice President of Engineering Josh Stevens posted on X that the team has built its own indexing system using the open-source Rust tool rindexer, making on-chain events visible up to about 14 blocks earlier, roughly 28 seconds; the system can complete indexing within 0 to 10 milliseconds after a block is broadcast, approaching real-time.

The refresh speed for trades, positions, and balances will be further improved.

Odaily News: DefiLlama founder 0xngmi posted on X that a new metric has been launched for trading platforms — Realized Perp Slippage. The algorithm takes a snapshot of the order book just before a market order is executed, calculates the theoretical slippage at which the order should have been filled, and then compares it with the actual slippage at execution.

0xngmi added: "We track this metric because we initially focused on order book liquidity, but later found that due to mechanisms such as speed preference, orders often cannot be executed as expected because market makers withdraw liquidity before order execution. So we started tracking actual liquidity conditions."

Odaily News: On September 16, ViaBTC announced a Bitcoin transaction acceleration partnership with Mempool. Leveraging its own mining pool infrastructure, block construction, and transaction processing capabilities, ViaBTC will provide acceleration support for qualifying transactions, allowing more users to access ViaBTC's transaction acceleration service through ecosystem partnership channels.

ViaBTC launched its Bitcoin transaction accelerator in 2016 and currently offers both free and paid acceleration options. As of today, ViaBTC has accelerated over 800,000 BTC transactions in total. This partnership does not affect the service entry points or usage methods of the existing transaction accelerator.

Since its launch in 2016, ViaBTC has accumulated ten years of mining pool operation and technology R&D experience. ViaBTC stated that it will continue to improve the security, stability, and operational efficiency of its mining pool infrastructure. While serving miners worldwide, it will expand cooperation with ecosystem partners such as block explorers and wallets to provide long-term, reliable infrastructure support for the Bitcoin ecosystem.

Odaily News: According to monitoring by @insidecalls and @cladzsol, several popular meme coin display pages have recently redirected users to phishing pages disguised as "cloudfare verification." After users follow the prompts, their computer systems download and execute malicious scripts, resulting in the theft of on-chain assets. The relevant display pages directly reference official website or social media links from token metadata, and these fields can be updated by token creators or by people who later claim to have taken over the community.

Odaily News: Overseas crypto KOL Brady Dale posted on X that three people are to blame for the failure of the CLARITY Act.

The first culprit is Trump, whose sin is issuing a coin, making moral controversy the final core point of disagreement.

The second culprit is Republican Senator Tim Scott, whose sin is insisting on wasting the Senate's time crafting its own version, squandering the last remaining momentum that the earlier GENIUS Act had painstakingly built up.

The third culprit is Republican Senator Cynthia Lummis. I already felt last fall that this was doomed.

Odaily News: According to monitoring by Ai Yi, about 2 hours after the mainnet launch of Arc, Circle's public blockchain, the total amount of USDC on the network has reached 372 million, accounting for approximately 0.05% of the total USDC supply, with the current total number of on-chain addresses at about 176,000.

Previously, some users bridged into Arc ahead of the mainnet launch at an 80%-100% USDC premium in order to participate in early meme coin trading.

Odaily News: infini founder Christian clarified on X that although he did make quite a few mistakes in marketing, he is not so "foolish with money." The largest marketing expense since infini's founding was likely the red envelopes he distributed at the time, amounting to roughly $10,000-$20,000.

Odaily News: According to GMGN data, the market cap of LONG on the Arc chain briefly surpassed $17 million, setting a new record high, before falling back to $15.67 million, with a 24H gain of over 463%.

Well-known trader Bonk Guy previously sparked controversy by calling for LONG, with community users questioning the protocol's high token concentration and other security issues.

Related reading: 《Arc Mainnet Launches Tomorrow, Which Token Issuance Platforms Are Worth Watching in Advance?》

Odaily News: BTC is currently trading at $75,923. The $77,400–$77,800 range holds about 994.86 BTC in potential short liquidation exposure, worth approximately $77.08 million; the $72,600–$72,800 range holds about 874.79 BTC in potential long liquidation exposure, worth approximately $63.558 million, about 4.1% from the current price.

In the upper range, one address holds a 325 BTC short position with a liquidation price of $77,654.7; another address holds a 647.52 BTC short position with a liquidation price of $77,386.7. In the lower range, two BTC long positions have liquidation prices of $72,649 and $72,661.54, respectively, together accounting for about 91.9% of the volume in that range.