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Bitcoin News posted on platform X that after the CFTC approved Kalshi's Bitcoin perpetual contracts as futures products, traders face uncertainty on how to report gains to the IRS.If the product is classified as a regulated futures contract under Section 1256 of the U.S. Tax Code, related gains are typically treated as 60% long-term capital gains and 40% short-term capital gains, regardless of the holding period. CME believes that Kalshi's perpetual contracts are actually swaps, which are explicitly not covered under Section 1256. The CFTC's classification supports the view that it is a futures product, but does not bind the IRS; the tax treatment remains uncertain until the IRS, Congress, or the courts directly address Bitcoin perpetual contracts.

According to SlowMist monitoring, the BSC chain project BeatXswap suffered a price manipulation attack, resulting in a loss of approximately 2.985 million BTX (about $77,500).The attacker borrowed 6 million BTX through a flash loan and sold it into the Uniswap V3 pool to lower the price. They then exploited a vulnerability in the contract that used only the V3 pool's instant price as the sole pricing basis (without TWAP protection and without deviation limits), depositing USDT in two transactions to trigger liquidity mining and withdrew BTX from the LP position.

Castle Labs released a research report on September 10, comparing the execution costs of the swaps products launched by Variational with traditional perpetual contracts. The report shows that for most trading volumes, Variational is currently the lowest-cost venue among listed assets, with the cost of a $1 million trade in the US100 market being only $47.The report points out that the trading volume of RWA perpetual contracts has grown from less than $1 billion in October 2025 to over $12 billion in August 2026, currently accounting for about 12% to 13% of on-chain perpetual contract trading volume, with a peak in July reaching 20%. As of the report's release, the total open interest of RWA perpetual contracts was $4.9 billion, with TradeXYZ and Variational accounting for nearly 90%.Variational's swaps utilize RFQ execution and the proprietary liquidity provider Omni, with liquidity coming directly from traditional financial partners, and the fees being a holding cost charged once at the daily close, rather than relying on market supply and demand funding rates. Since the launch of the US100, US500, XAU, XAG, and USOIL markets at the beginning of the month, a total trading volume of $3.8 billion has been accumulated, with a peak open interest of $245 million. Currently, swaps have contributed over 50% of Variational's daily trading volume and more than $220 million in open interest.

According to The Block, Uniswap Labs announced the launch of a new tool, StablePair Hook, designed specifically for stablecoin trading pairs such as USDC/USDT and USDC/USDG.Uniswap Labs stated that StablePair Hook can provide traders with consistent and predictable quotes, allowing liquidity providers to retain more of the value they create. Data shows that in the second quarter, the trading volume of exchanges between stablecoins on Uniswap reached $43.4 billion, surpassing the total of the other three major on-chain trading venues.StablePair Hook replaces fixed rates with dynamic rates, which adjust based on the degree of price deviation from the reference price within the pool. When the price is close to the reference price, the Hook adjusts the transaction fee for each trade to maintain a fixed bid-ask spread; when the price deviates from the reference range, trades that push the price away incur no fees, while trades that pull the price back to the reference price use a Dutch auction mechanism, with fees decreasing block by block from high to low until accepted by the trader. Uniswap Labs stated that this allows liquidity providers to retain more value from price returns.The first batch of StablePair Hook pools will go live on Ethereum, supporting USDC/USDG and USDC/USDT trading pairs. This Hook can be upgraded through Uniswap governance, and the fee system and other parameters can be adjusted without migrating liquidity.

The company TransparentBusiness, which operates Unicoin, has filed a lawsuit in the Southern District of New York Federal Court against Universal Navigation, which operates Uniswap Labs, requesting the court to rule that its UNICOIN trademark does not infringe or dilute the trademarks UNI, UNISWAP, and UNICHAIN claimed by Uniswap, and to request the court to cancel the U.S. trademark registration for UNI.The complaint shows that Uniswap's legal counsel sent three letters to Unicoin on June 3, July 17, and August 14, accusing it of trademark infringement, dilution, domain name squatting, and unfair competition, and demanding that Unicoin cease using the UNICOIN and other identifiers containing UNI, transfer the domain names unicoin.com and unicoin.org, provide income and profit accounts, and pay Uniswap's legal fees. Unicoin also requests the court to confirm that the aforementioned domain names do not violate the U.S. Federal Anti-Cybersquatting Consumer Protection Act.The lawsuit comes weeks before the public issuance of the UNCN token listed on the Unicoin official website on September 28. As of the time of publication, DeFiLlama data shows that the Uniswap protocol ranks first among decentralized exchanges with over $3.9 billion in 24-hour trading volume.

SideSwap issued a statement saying that at 14:05 UTC today, a customer sent 4000 L-BTC to its peg-out service. The service processed the order as usual, L-BTC was destroyed on Liquid with a valid peg-out authorization, and at 14:28 UTC, Liquid Federation paid 3996 BTC to the customer's Bitcoin address.Blockstream subsequently confirmed that the L-BTC was minted due to a vulnerability in the Elements software. SideSwap's peg-out authorization keys and systems were not compromised, and the service cannot distinguish these tokens from other L-BTC. SideSwap is a non-custodial service, and user wallets are unaffected, with assets controlled by the users' own keys.Liquid has been suspended by the Federation, and SideSwap's exchanges, peg-ins, and peg-outs will be paused until the network is restored. Peg-outs that have been completed on Bitcoin are unaffected. Unfinished peg-ins or peg-outs can send transaction IDs to hello@sideswap.io for separate processing. Please do not send new peg-in or peg-out deposits until the service is restored.

According to DUNE data, yesterday the official Uniswap burn mechanism destroyed a total of 178,000 UNI, worth over 1.11 million dollars. Among them, Robinhood Chain contributed a daily destruction amount of up to 144,000 UNI, accounting for over 80%, far exceeding other chains such as Ethereum and Base, fully highlighting the current popularity of the Robinhood Chain ecosystem.Previously reported, on July 15, Uniswap initiated a governance proposal to extend the protocol fee collection and UNI burn mechanism to Robinhood Chain, covering versions v2, v3, and v4. According to the proposal, the protocol fees generated on Robinhood Chain will be deposited into the TokenJar contract on that chain, and Searchers can redeem the fees by bridging UNI back to the Ethereum mainnet and sending it to the burn address.

Memecoin issuance platform Pons announced on Thursday that Uniswap Labs has purchased its token PONS, stating that this move is a "long-term alignment" and is seen as a deepening of cooperation between the two parties. Both parties did not disclose the scale of the purchase, transaction price, or holding address, and Pons did not specify whether Uniswap Labs acquired the tokens through the open market or received a token allocation.Pons is the Memecoin issuance platform that charges the highest issuance fees on the Robinhood Chain, launched on July 13, and deployed the V2 contract on August 3. Its V2 will route tokens raised through joint curve fundraising to the Uniswap V4 pool, while the Robinhood Chain currently accounts for 56.3% of the total trading volume on Uniswap V4. Previously, Uniswap Labs launched a competing issuance platform, Pools.trade, on the Robinhood Chain on August 5, surpassing Pons on its first day of launch.Data shows that Pons generated $5.95 million in fees in the past 24 hours, $28.83 million in fees over the past 7 days, and $40.84 million in fees over the past 30 days, using about 80% of the protocol fees to repurchase PONS, with a cumulative supply destruction of 29.34%. PONS is currently priced at $0.5013, up 17.5% in 24 hours, with a market capitalization of approximately $357 million.

Uniswap founder Hayden posted on the X platform, stating that correlated trading pairs are forming. The top five tokenized SPY trading pairs by trading volume serve as "bridge" trading pairs connecting other common underlying trading pairs, primarily linking to tokenized stocks with higher correlations. This type of market is characterized by globalization, programmability, low costs, and 24/7 operation.Hayden stated that he has been working on the forefront of DeFi for 9 years and believes that AMM has enormous potential. After years of evolution and development, the path for AMM to achieve global dominance is becoming increasingly clear. Tokenization has changed the existence of markets, market makers, and the objects of market trading. Since its launch, Uniswap has been operating autonomously, with a cumulative trading volume exceeding $4.6 trillion, and has increased the share of spot trading volume on decentralized exchanges from less than 1% to over 20%.As AMMs like Uniswap continue to evolve, their liquidity has formed a pattern that most financial markets have yet to notice: correlated trading pairs. AMMs have found a product-market fit in long-tail markets, as most assets previously could not attract the attention of professional market makers. DeFi and AMM have lowered the barriers to market making, opening the market to more participants. Liquidity will concentrate in the places with the lowest risk, rather than being forced to remain in places constrained by traditional infrastructure.

According to market news, Uniswap has just welcomed its two highest trading days in history. In just one day yesterday, Uniswap's number of trades exceeded 7 million.

The derivatives protocol Variational on the Arbitrum ecosystem has announced the launch of its swaps market, initially including gold (XAU) and the Nasdaq 100 index (US100) markets. Swaps are similar to perpetual contracts in that they provide exposure to the underlying asset, but differ in terms of liquidity sources and holding costs: the holding cost for swaps is based on the USD borrowing interest rate, with long positions currently paying an annualized rate of 4% to 6%, and short positions receiving an annualized rate of 2% to 3%, replacing the more volatile funding rates.The swaps market charges no trading fees, with an initial open contract limit of approximately $10 million per market. The team plans to increase the limit to over $50 million in the coming days, and the initial protocol can support an open contract size of over $1 billion. The team stated that in the coming months, they will continue to raise limits, launch more swaps and perpetual contract markets, introduce trading APIs, and promote around-the-clock liquidity.

Uniswap founder Hayden Adams stated that after nine years of DeFi practice, the path for AMM to become the core engine of the global financial market is becoming increasingly clear. He pointed out that tokenization is not only an infrastructure upgrade but also changes who provides liquidity and what is traded in the market. The SEC has approved Nasdaq and the New York Stock Exchange to trade tokenized stocks, and the DTCC also conducted live testing of tokenized trading in July.Adams believes that traditional market makers vertically integrate capital, strategy, execution, settlement, and distribution, which is costly; blockchain disassembles these components, making capital a scarce input. Liquidity providers who already hold relevant assets or are the issuers themselves can bear inventory exposure at zero cost, thereby weakening professional market makers with lower capital costs. An on-chain "related asset pair" model has naturally formed (such as the Ethereum ecosystem pairing with ETH and stablecoins), as correlation reduces inventory risk and deepens liquidity.He cited that there are already 10 tokenized stocks on the Robinhood Chain forming a Uniswap pool with SPY, which has traded approximately $33 million in 12 days, with some trades occurring directly between stocks without touching the dollar. Adams also stated that although Uniswap's cumulative trading volume has reached about $4.6 trillion, AMM is still in its early stages, and there is significant room for improvement in subsequent design and ecosystem.

Uniswap founder Hayden Adams posted on the X platform that as the market warms up, the weekly burn rate of UNI has reached an all-time high, with an annualized burn rate of 31 million UNI (approximately 113 million USD) and it is still growing.He stated that the team continued to build during the bear market and is now seeing early results in the bull market.

Uniswap founder Hayden posted on the X platform that the tokenized stock trading volume on Robinhood has reached $1 billion for the first time, and $1 trillion in trading volume is on the way.

The decentralized exchange protocol atomiq announced that it has made the difficult decision to temporarily take all atomiq swap routes offline. The project stated that, as a small team, it is currently unable to withstand a large number of complex AI-assisted attacks targeting its infrastructure.atomiq emphasized that, due to the trustless nature of the exchange protocol, user funds are not at risk. The related web application remains accessible, and users can request refunds for past swaps at any time. For any questions, users can contact through their support channels. The team thanks its loyal users and states that it will strive to return with a stronger presence.

Uniswap founder Hayden Adams (@haydenzadams) posted that as the process of asset tokenization accelerates, AMM (Automated Market Makers) is facing structural opportunities. He pointed out that tokenization is not only an upgrade of market infrastructure but also makes the market programmable, fundamentally changing the way markets are created and the barriers to participation.On-chain liquidity spontaneously forms a pattern of "related asset pairs" — the higher the correlation between asset pairs, the lower the LP inventory risk and the deeper the liquidity, which also reduces the efficiency gap between passive AMM strategies and active strategies, allowing for lower capital costs to "break through" traditional market makers. He used NVDA/SPY as an example, pointing out that if stocks are traded in SPY rather than USD, it will significantly reduce market-making costs, while bridge pairs (such as SPY/USD) will still be competed by professional institutions.

Uniswap announced that it will complete the deployment when the September Arc mainnet officially goes live, providing developers with deep on-chain liquidity infrastructure to support the construction of DeFi applications such as lending, structured products, LP strategies, and token issuance. Arc is a public chain under Circle, using USDC as the Gas token, and features sub-second deterministic finality.

Bitcoin infrastructure development company Blockstream announced on Twitter that due to Boltz's ongoing automated detection and multiple vulnerability attacks leading to the suspension of its exchange services, Blockstream will launch its own Blockstream Swaps service.Currently, Blockstream Swaps is in the beta testing phase, aimed at providing a toolkit for the ecosystem and will complement existing service providers.

According to data statistics from Castle Labs, Uniswap has repurchased and burned approximately 28.4 million USD worth of UNI this year through its fee mechanism, with most of the fees coming from Ethereum.Since the fee switch was activated, the fees generated by Robinhood Chain have significantly increased, contributing approximately 2.26 million USD to the UNI repurchase. Since late July, Robinhood Chain has contributed about 50% or more of the daily UNI burn amount on most days, with some days approaching 70%.