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The prediction market platform Polymarket officially launches perpetual futures trading, covering cryptocurrencies, stocks, indices, and commodities, with a maximum leverage of 20 times.

Polygon Labs announced that it has completed a SOC 2 Type 1 examination for the Polygon Open Money Stack API and dashboard, covering the security trust services criteria. The independent auditing firm Schellman & Company, LLC determined that Polygon has implemented appropriate security controls.SOC 2 is an auditing framework established by the American Institute of Certified Public Accountants. A Type 1 examination assesses whether the design of the control system is correct at the time of the examination, while a Type 2 examination is ongoing and will test the execution of relevant controls over several months of actual operation. The report states that complementary user entity controls are not necessary for Polygon to fulfill its service commitments.Polygon Labs CEO Marc Boiron stated that as a technology provider handling real funds, it is essential to meet the standards of financial institutions, and most crypto infrastructure has never been audited against this standard for systems actually integrated by customers. Type 1 confirms that the control design is correct, and Type 2 will confirm its daily operation.

PPP prediction market tool monitoring shows that the probability of Polymarket "OpenAI's Astra being released before September 11" has risen to 86%, up 41% in 24 hours; the probability of it being released before September 15 has risen to 91%, up 29% in 24 hours.If OpenAI publicly releases "Astra" before the specified date, or releases a product confirmed by official or credible media to be the same model as the previously announced "Astra," the event will settle as "Yes," otherwise it will be "No." Eligible models can use names such as Astra, Astra 1, Astra 6, GPT-6 Astra, etc., and can be renamed upon release. Models like GPT-5.7 and GPT-6 will only count if confirmed to be the same model as the previously mentioned Astra. The model must be publicly accessible, including public testing or open waitlists; closed testing and private access do not count. Settlement is primarily based on official information from OpenAI and references consensus reports from credible media.

According to The Block data panel, the combined trading volume of Kalshi, Polymarket, and Polymarket US in August fell by 14.5% month-on-month to $45.33 billion, marking the first monthly decline in a year. Among them, Kalshi's trading volume in August was $37.17 billion, down 7.3% from $40.1 billion in July; the combined trading volume of Polymarket and its US platform was $8.16 billion, down 36.7% from $12.89 billion in July.The decline in August occurred after a surge in summer prediction market activity driven by the World Cup (June 11 to July 19), but the August trading volume was still significantly higher than May's $25.66 billion. Meanwhile, Kalshi and Polymarket are facing increasingly stringent scrutiny from state-level regulators in the US, particularly regarding sports-related contracts, with more than ten states taking enforcement actions or filing lawsuits against the two platforms. Last week, Connecticut sued Kalshi, seeking to prevent the platform from offering sports contracts.Despite the escalating legal disputes with state regulators, Kalshi continues to expand its presence in the sports sector, recently signing an agreement with the United States Tennis Association to become the exclusive prediction market partner for the US Open. Additionally, earlier this week, Kalshi permanently banned former US Congressman George Santos, marking its first permanent ban, due to Santos violating rules by betting on whether he would attend the State of the Union address, resulting in a fine of over $71,000.

According to sources cited by The Wall Street Journal, Donald Trump Jr.'s 1789 Capital plans to invest an additional approximately $300 million in the prediction market platform Polymarket, as part of a $1 billion financing round led by 1789 Capital. If completed, Polymarket's valuation will reach approximately $21 billion.1789 Capital has previously invested about $200 million in Polymarket, and after this round, it will become one of its largest investors. The largest investor in Polymarket currently is the Intercontinental Exchange (ICE), which previously disclosed holding Polymarket shares valued at $1.6 billion, accounting for about 22% of the company's outstanding shares.

According to Businesswire, the cryptocurrency asset investment fund C1 Fund announced its performance for the second quarter of 2026, revealing that as of the second quarter of this year, its portfolio has expanded to 11 cryptocurrency companies, covering areas such as cryptocurrency payments, custody, compliance, staking, exchanges, infrastructure development, and prediction markets. Its two major investment exposures are Ripple (accounting for 17.5% of net assets) and Kraken's parent company Payward (16.9%), and it has also made a new investment in the prediction market platform Polymarket, although the specific investment amount has not been disclosed.C1 Fund also stated that as of July 31, it has repurchased and canceled 249,300 shares of the company's stock, with a total cost of approximately $824,000, and it is currently authorized to repurchase up to $3 million in stock.

According to a Reuters report, Polymarket's new Global Head of Research and Intelligence, Shana Bautista (former analyst at Coinbase, former investigator at the FBI), stated that as the U.S. midterm elections approach, Polymarket has established a system to identify unusual trading activities and will continue to prevent U.S. users from using its international platform to comply with the settlement agreement reached with U.S. regulators in 2022.In addition, Polymarket plans to launch a new webpage to publicly disclose the operational details of market integrity review mechanisms such as machine learning, blockchain analysis, and trading monitoring, and revealed that it has referred over 100 cases to law enforcement agencies.

According to official news, the Polymarket website is down, and users are unable to place orders. Polymarket has stated that they are working to fix this issue. Trading is expected to resume by 18:00 today (Beijing time) at the latest.

Polygon Labs disclosed that it has fixed a batch of security vulnerabilities in its proof-of-stake network through two hard forks, with the related fixes privately deployed before public disclosure. According to a forum post released on Wednesday, the team packaged the fixes into the Austin hard fork of the Bor client and the Kyoto hard fork of the Heimdall client, both of which followed the standard process for fixing issues that affect consensus: first validated on the Amoy testnet, and then publicly disclosed once the mainnet was activated and the network was secure.The Austin fork fixed two denial-of-service paths in block processing, including a vulnerability where malicious block producers could crash peer nodes by filling them with oversized field data. The Kyoto fork addressed a broader range of consensus hardening issues, with the most severe vulnerability allowing an attacker to force the entire validator set to perform costly and coordinated work with just one crafted transaction—the cost of constructing the transaction is low, but the network processing cost is high. Polygon emphasized that none of the vulnerabilities were observed to be exploited on the mainnet and have been proactively addressed. The two upgrades are now mandatory for node operators and have taken effect without the need for state migration or resynchronization.This disclosure comes at a critical transformation period for Polygon, which has completed the migration of the traditional MATIC token to POL as part of a comprehensive overhaul of its network architecture. The news did not boost the price of POL; according to CoinGecko data, POL traded at approximately $0.09983 on Sunday, down 2.3% in 24 hours, down about 6.8% over the past week, and down about 60.8% over the past year, with a market capitalization of approximately $1.07 billion.

Polygon disclosed multiple previously undisclosed security vulnerabilities recently fixed through two hard forks, Austin and Kyoto, which could affect its proof-of-stake network. The vulnerabilities involve Polygon's Bor and Heimdall clients, including denial-of-service risks, validator resource exhaustion, and defects affecting checkpoint and milestone processing.Polygon stated that the fixes were privately tested before being deployed to the mainnet and publicly disclosed. The most severe issue involved Heimdall, where carefully crafted transactions could force validators to perform excessive processing work, disrupting the network. The Austin hard fork also fixed two denial-of-service risks in Bor that could slow down block processing or cause node crashes. Polygon indicated that these vulnerabilities were not exploited on the mainnet, and the fixes were proactively completed before the details of the vulnerabilities were made public.

According to data from DefiLlama, Pons' revenue in the past 24 hours reached $693,125, surpassing Polymarket ($635,221) and fomo ($646,539), ranking eighth in protocol revenue, just behind Hyperliquid ($758,325).

PPP prediction market tool monitoring shows that the probability of Polymarket "ETH dropping to $2400 in the remaining period of August" has decreased to 30%, a 31% drop in 24 hours; the probability of dropping to $2300 has decreased to 4%, a 4% drop in 24 hours. This market is based on the Binance ETH/USDT trading pair.During the specified month in the title (from 00:00 on the 1st of the month Eastern Time to 23:59 on the last day), if the highest price of any 1-minute candlestick equals or exceeds the specified price in the title, it will be settled as Yes immediately; otherwise, it will be No. Only the 1-minute candlestick High price of Binance ETH/USDT is considered, and prices from other exchanges or trading pairs are not included.

Polygon disclosed multiple previously undisclosed security vulnerabilities that were recently fixed through two hard forks, which could affect its proof-of-stake network. The vulnerabilities involve Polygon's Bor and Heimdall clients, including denial of service risks, validator resource exhaustion, and defects affecting checkpoint and milestone processing.Polygon stated that these vulnerabilities were fixed through the Austin and Kyoto hard forks, and the fixes were privately tested before being deployed to the mainnet and publicly disclosed. The most serious issue involved Heimdall, where a carefully crafted transaction could force validators to perform excessive processing work, thereby disrupting the network. The Austin hard fork also fixed two denial of service risks in Bor that could slow down block processing or cause node crashes.Polygon indicated that these vulnerabilities were not exploited on the mainnet, and the fixes were proactively deployed before the details were made public. Nodes running outdated client versions have fallen out of consensus after the hard fork activation height and must upgrade to rejoin the standard network. All Polygon PoS nodes are required to upgrade to Bor v2.1.0, and validators and full nodes must upgrade to Heimdall v0.11.0, both upgrades are now effective on the mainnet.

According to CryptoSlate, Polygon Labs issued an urgent notice that Polygon PoS nodes remaining on the old versions of Bor or Heimdall have lost consensus after the activation of the Austin and Kyoto hard forks and need to upgrade to catch up with the network progress. Austin was activated at mainnet block 91,949,700, requiring Bor v2.1.0 or above; Kyoto was activated at height 51,533,000, requiring Heimdall v0.11.0 or above.Austin fixed two types of Bor resource exhaustion risks: L1 to L2 bridging state synchronization events not counted towards the gas limit could slow down block processing; the TxDependency field having no size limit could lead to peer node crashes. Kyoto addressed vulnerabilities such as deep nested message attacks, fee coin scanning, and checkpoint signature recovery. Both hard forks are pure binary upgrades, requiring no state migration, and non-forked nodes do not need to resynchronize. Operators of old clients should upgrade and restore synchronization under Polygon's guidance if necessary.

Polymarket US has withdrawn two NFL player participation contract documents from the prediction market platform. The platform has completed certification with the Commodity Futures Trading Commission (CFTC) and plans to launch related products no earlier than August 27. Polymarket US certifies Bitcoin, Ethereum, and Solana price contracts, all three types of contracts are submitted in pairs and classified as swap contracts under the binary options subcategory.Both the NFL contracts and cryptocurrency contracts involve the relevant classifications. The NFL compliance analysis document has been submitted separately for confidentiality, with Polymarket US requesting permanent non-disclosure on the grounds that public disclosure would leak trade secrets and give competitors an unfair advantage. As of the record, another NFL American football eligibility contract remains in certified status.

UPBIT will list Polyswarm (NCT) on August 26 at 21:00 and support KRW trading. During the trading support period, the trading fee will be reduced from 0.05% to 0%, and the event will last until August 27 at 20:59.

PPP prediction market tool monitoring shows that the probability of "BTC reaching $85,000 during the remaining period of August" on Polymarket has risen to 44%, an increase of 26% in 24 hours. Additionally, the probability of it reaching $90,000 has risen to 12%, an increase of 6% in 24 hours.According to the settlement rules, this market is based on the Binance BTC/USDT trading pair. Within the specified month in the title (from 00:00 on the 1st of the month to 23:59 on the last day, Eastern Time), if the highest price of any 1-minute candlestick is equal to or higher than the specified price in the title, it will be settled as Yes immediately; otherwise, it will be No. This market only considers the 1-minute candlestick High price of Binance BTC/USDT, and prices from other exchanges, trading pairs, or spot markets are not included.

AI market prediction project Fortune Protocol officially announces the integration of liquidity from Polymarket and, together with the previously integrated Predict.fun, provides more prediction markets and liquidity for Fortune Markets.After this update, users can directly explore markets from different liquidity sources within Fortune Markets and discover and compare the liquidity, trading volume, and probabilities of different markets more quickly through a brand new market interface. Fortune Protocol has optimized the trading and asset management experience, adding a streamlined trading process that supports result selection and position browsing; the Portfolio feature is unified, allowing users to view their current positions, settled markets, and complete trading history in one place.Fortune Protocol states that by continuously integrating liquidity from various mainstream prediction markets, Fortune Markets will further build a unified market layer, providing users with a more open, efficient, and integrated prediction market trading experience.

Gannon Ken Van Dyke is an American soldier accused of using non-public information to trade event contracts related to the ousting of Venezuelan President Nicolás Maduro on the prediction market platform Polymarket, profiting over $400,000. U.S. authorities charged him with fraud in April. The Commodity Futures Trading Commission (CFTC) had previously filed a civil lawsuit against Van Dyke, but a federal judge has ruled to postpone the proceedings until the outcome of the criminal case is determined.The CFTC has applied to submit an amicus brief to express opinions on whether the event contracts fall under its regulatory scope as "swaps." Van Dyke's attorney filed documents on Monday with the U.S. District Court for the Southern District of New York opposing the CFTC's intervention in the criminal case, stating that the agency should face its own case directly. Van Dyke has pleaded not guilty to all charges, and the criminal trial may begin as early as late 2026 or early 2027.