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According to monitoring by Dongcha Beating, AI research organization Epoch AI has revealed that OpenAI has purchased access to its FrontierMath: Open Problems validator. FrontierMath: Open Problems consists of a set of research-level mathematical problems that have yet to be solved by professional mathematicians, each accompanied by a dedicated computer program (validator). While the correct answers are currently unknown, the validator can automatically verify the correctness of any potential solution provided by individuals or AI. After acquiring this access, OpenAI can use the validator to check the validity of mathematical solutions generated by its models. The validator's access is available for purchase by any organization, with the main costs allocated to compensating mathematicians, as the process of formulating problems and writing validators is very labor-intensive. Epoch AI has also set a condition: any party that discovers a valid solution through the validator must notify Epoch AI of the results, and the problem's author will share joint publication rights with the discovering party. Epoch AI emphasizes that OpenAI previously funded the creation of the original FrontierMath benchmarks (Tiers 1-4), but the Open Problems section was independently developed and owned by Epoch AI, with the pilot phase funded by Schmidt Sciences.

[OpenAI Acquires Validator for Unsolved Mathematical Problems to Automatically Verify AI Solutions]According to monitoring by Dongcha Beating, AI research organization Epoch AI has revealed that OpenAI has purchased access to its FrontierMath: Open Problems validator. FrontierMath: Open Problems consists of a set of research-level mathematical problems that have yet to be solved by professional mathematicians, each accompanied by a dedicated computer program (validator). While the correct answers are currently unknown, the validator can automatically verify the correctness of any potential solution provided by individuals or AI. After acquiring this access, OpenAI can use the validator to check the validity of mathematical solutions generated by its models. The validator's access is available for purchase by any organization, with the main costs allocated to compensating mathematicians, as the process of formulating problems and writing validators is very labor-intensive. Epoch AI has also set a condition: any party that discovers a valid solution through the validator must notify Epoch AI of the results, and the problem's author will share joint publication rights with the discovering party. Epoch AI emphasizes that OpenAI previously funded the creation of the original FrontierMath benchmarks (Tiers 1-4), but the Open Problems section was independently developed and owned by Epoch AI, with the pilot phase funded by Schmidt Sciences.

OpenAI Acquires Validator for Unsolved Mathematical Problems to Automatically Verify AI Solutions

On April 15, former U.S. Treasury Secretary Janet Yellen stated that she still believes there is a possibility of interest rate cuts later this year. However, the volatility in oil prices caused by the Iran conflict has cast a shadow over the outlook. Yellen remarked, "This is actually a broad supply shock, affecting not just gasoline prices but also liquefied natural gas, fertilizers, food, shipping costs, and semiconductors." She noted that while the possibility of needing to raise interest rates cannot be ruled out, stable long-term inflation expectations suggest that such a scenario is unlikely at present. "I would guess that there could be rate cuts by the end of this year. I think that is entirely possible and the most likely scenario. However, many things could happen."

[Former U.S. Treasury Secretary Yellen: Still Believes Rate Cuts Possible This Year]On April 15, former U.S. Treasury Secretary Janet Yellen stated that she still believes there is a possibility of interest rate cuts later this year. However, the volatility in oil prices caused by the Iran conflict has cast a shadow over the outlook. Yellen remarked, "This is actually a broad supply shock, affecting not just gasoline prices but also liquefied natural gas, fertilizers, food, shipping costs, and semiconductors." She noted that while the possibility of needing to raise interest rates cannot be ruled out, stable long-term inflation expectations suggest that such a scenario is unlikely at present. "I would guess that there could be rate cuts by the end of this year. I think that is entirely possible and the most likely scenario. However, many things could happen."

Former U.S. Treasury Secretary Yellen: Still Believes Rate Cuts Possible This Year

On April 15, according to official news from Tempo, payment giants Stripe, Visa, and Zodia Custody, a digital asset custody institution under Standard Chartered Bank, have officially become validator nodes in the Tempo network. Tempo stated that it will continue to expand its collection of validators and advance towards a permissionless validation model. The three institutions—Stripe, Visa, and Zodia Custody—process trillions of dollars in payments annually across nearly every country in the world.

[Stripe, Visa, and Zodia Custody Join Tempo as Validator Nodes]On April 15, according to official news from Tempo, payment giants Stripe, Visa, and Zodia Custody, a digital asset custody institution under Standard Chartered Bank, have officially become validator nodes in the Tempo network. Tempo stated that it will continue to expand its collection of validators and advance towards a permissionless validation model. The three institutions—Stripe, Visa, and Zodia Custody—process trillions of dollars in payments annually across nearly every country in the world.

Stripe, Visa, and Zodia Custody Join Tempo as Validator Nodes

On April 15, Tempo announced that payment giants Stripe, Visa, and Zodia Custody, a digital asset custody institution under Standard Chartered, have officially become validator nodes on the Tempo network. Tempo stated that it will continue to expand its validator pool and advance towards a permissionless validation model. The three institutions together process trillions of dollars in payments annually across nearly every country in the world.

[Stripe, Visa, and Zodia Custody Join Tempo as Validator Nodes]On April 15, Tempo announced that payment giants Stripe, Visa, and Zodia Custody, a digital asset custody institution under Standard Chartered, have officially become validator nodes on the Tempo network. Tempo stated that it will continue to expand its validator pool and advance towards a permissionless validation model. The three institutions together process trillions of dollars in payments annually across nearly every country in the world.

Bitcoin Fear and Greed Index is 23. Extreme Fear.
Current Price: $74017.8.

[Bitcoin Fear and Greed Index is 23]Bitcoin Fear and Greed Index is 23. Extreme Fear.
Current Price: $74017.8.

Bitcoin Fear and Greed Index is 23

On April 15, according to monitoring by Lookonchain, a new wallet (0x66F4) was created, which deposited 6.75 million USDC into Hyperliquid and placed a TWAP order to go long on 150,000 xyz:BRENTOIL (valued at approximately 10.3 million USD) with 4x leverage. As of now, 37,452 xyz:BRENTOIL (valued at approximately 3.41 million USD) of that order has been executed.

[New Wallet Deposits 6.75 Million USDC into Hyperliquid and Goes Long on 150,000 xyz:BRENTOIL with 4x Leverage]On April 15, according to monitoring by Lookonchain, a new wallet (0x66F4) was created, which deposited 6.75 million USDC into Hyperliquid and placed a TWAP order to go long on 150,000 xyz:BRENTOIL (valued at approximately 10.3 million USD) with 4x leverage. As of now, 37,452 xyz:BRENTOIL (valued at approximately 3.41 million USD) of that order has been executed.

New Wallet Deposits 6.75 Million USDC into Hyperliquid and Goes Long on 150,000 xyz:BRENTOIL with 4x Leverage

On April 15, Ethereum has recently strengthened against Bitcoin, with the ETH/BTC exchange rate rising to approximately 0.0313, the highest level in three months, but still far below the peak in January. The improvement in this ratio is attributed to strong on-chain activity for Ethereum: the number of new users surged by 82% in the quarter, trading volume reached an all-time high, and the total supply of stablecoins hit a historic peak of $180 billion. Analysts state that Ethereum must reclaim the 0.035 ETH/BTC level in weekly closing to indicate that the rotation of funds towards Ethereum is sustainable rather than a temporary rebound, especially since the current price of Ethereum is still over 50% lower than its 52-week high.

[ETH/BTC Ratio Rebounds from 2026 Low, Signaling Overall Crypto Market Recovery]On April 15, Ethereum has recently strengthened against Bitcoin, with the ETH/BTC exchange rate rising to approximately 0.0313, the highest level in three months, but still far below the peak in January. The improvement in this ratio is attributed to strong on-chain activity for Ethereum: the number of new users surged by 82% in the quarter, trading volume reached an all-time high, and the total supply of stablecoins hit a historic peak of $180 billion. Analysts state that Ethereum must reclaim the 0.035 ETH/BTC level in weekly closing to indicate that the rotation of funds towards Ethereum is sustainable rather than a temporary rebound, especially since the current price of Ethereum is still over 50% lower than its 52-week high.

ETH/BTC Ratio Rebounds from 2026 Low, Signaling Overall Crypto Market Recovery

On April 15, according to Bitwise data, Bitcoin has risen 12% since the outbreak of the Iran conflict at the end of February, outperforming the S&P 500 index (-1%) and gold (-10%).

[Data: Bitcoin Rises 12% Since Outbreak of Iran Conflict, Outperforming S&P 500 and Gold]On April 15, according to Bitwise data, Bitcoin has risen 12% since the outbreak of the Iran conflict at the end of February, outperforming the S&P 500 index (-1%) and gold (-10%).

Data: Bitcoin Rises 12% Since Outbreak of Iran Conflict, Outperforming S&P 500 and Gold

On April 15, Brantly.eth, a core contributor to the Ethereum Follow Protocol (EFP), announced that EFP has completed its integration with the blockchain explorer Etherscan. Users can now view an account's ENS domain name, avatar, and the number of EFP followers and followings on the 'Cards' tab of each account page on Etherscan.

[Ethereum Social Protocol EFP Completes Integration with Etherscan, Supporting On-Chain Social Data Display]On April 15, Brantly.eth, a core contributor to the Ethereum Follow Protocol (EFP), announced that EFP has completed its integration with the blockchain explorer Etherscan. Users can now view an account's ENS domain name, avatar, and the number of EFP followers and followings on the 'Cards' tab of each account page on Etherscan.

Ethereum Social Protocol EFP Completes Integration with Etherscan, Supporting On-Chain Social Data Display

According to on-chain data platform Delphi Digital, the cumulative revenue made by sequencers on layer 2 networks Optimism and Arbitrum has significantly increased in the past year. The adoption of Optimistic Rollups and migration of transactions to these networks has led to an increased demand for sequencer services, resulting in higher revenue for them.

[Sequencer Revenue on Optimism and Arbitrum Surges Due to Adoption of Layer 2 Solutions]According to on-chain data platform Delphi Digital, the cumulative revenue made by sequencers on layer 2 networks Optimism and Arbitrum has significantly increased in the past year. The adoption of Optimistic Rollups and migration of transactions to these networks has led to an increased demand for sequencer services, resulting in higher revenue for them.

Sequencer Revenue on Optimism and Arbitrum Surges Due to Adoption of Layer 2 Solutions

Article

Tencent Cloud Supports One-Click Deployment of Hermes Agent

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Sequencer Revenue on Optimism and Arbitrum Surges Due to Adoption of Layer 2 Solutions

Disclaimer：Il contenuto di cui sopra non rappresenta le posizioni di HTX.，HTX non fornisce alcuna raccomandazione di trading.。

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