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The second front of the encryption bill has opened, with tax policies focusing on the controversy over deferring taxes on mining and staking profits

According to CoinDesk, major lobbying organizations in the U.S. cryptocurrency industry jointly sent a letter to the House Ways and Means Committee, urging the advancement of the "Tax Clarity for Mining and Staking Act," advocating for tax treatment options for cryptocurrency miners and staking income recipients. The bill was introduced by Republican Congressman Mike Carey, and its core content allows taxpayers to choose the timing of taxation when they receive new mining or staking assets—either paying taxes at the time the assets are generated or deferring taxes until the final sale.Industry associations, including the Blockchain Association, Digital Chamber, and Crypto Council for Innovation, have expressed support, arguing that the current tax system may force users participating in network security maintenance to bear tax burdens before they have realized the assets. Supporters claim that the proposal does not provide "indefinite deferral," but rather avoids immediate taxation on income that has not yet realized liquidity, thereby alleviating cash flow pressure on miners and validators.However, Democratic lawmakers and some external critics are concerned that this mechanism could be exploited by large mining companies for long-term tax deferral, especially in the context of some publicly listed or politically connected companies participating in mining operations, raising potential policy arbitrage disputes. Meanwhile, the industry's focus remains on the broader "Digital Asset Market Structure Act" (Clarity Act), but tax issues have become the second key battleground, expected to continue advancing in tandem with regulatory framework legislation in the coming weeks.

NEAR announces the next major protocol upgrade SPICE, which will shorten the block time to 200 milliseconds

NEAR officially announced the next major protocol upgrade SPICE (Separation of Consensus and Execution), which is a key step towards Nightshade 3. After the upgrade is completed, the NEAR block time will be reduced from the current 600 milliseconds to 200 milliseconds, achieving about a 3x speedup, approaching the maximum speed allowed by physical conditions. The core of SPICE is to decouple the consensus layer from the execution layer, allowing validators to complete block consensus without waiting for transaction execution, thereby reducing latency and supporting more complex, time-consuming transactions.NEAR stated that this upgrade will be the largest underlying architecture change since Stateless Validation in 2024. After the upgrade, the transaction experience of applications such as NEAR Intents and near.com will be further enhanced. Defuse Labs CEO Alex Shevchenko indicated that the final confirmation time for NEAR is expected to drop to about 0.4 seconds, faster than Visa's standard of about 3 seconds, achieving a payment experience close to "completed in the blink of an eye."NEAR also mentioned that faster block times are crucial for the AI Agent economy, enabling high-speed payments and complex transactions between agents, and allowing longer tasks to be executed across multiple blocks. Additionally, SPICE will pave the way for Nightshade 3 and lay the foundation for achieving cross-shard atomic execution in the future. The NEAR development team stated that this will help address the development complexity and potential vulnerabilities brought by asynchronous environments, improving network scalability and security.

Healthcare AI startup Prosper AI has completed a $30 million Series A funding round, led by a16z

According to Techfundingnews, the medical AI startup Prosper AI announced the completion of a $30 million Series A funding round, led by Andreessen Horowitz (a16z), with participation from Base10 Partners, Emergence Capital, Y Combinator, and others. After this round of financing, the company has raised a total of approximately $36.6 million.Prosper AI focuses on covering the entire patient visit process through AI voice agents, including appointment scheduling, insurance verification, communication with insurance companies, and billing processing. It has currently served over 150,000 medical institutions. The company stated that the U.S. healthcare system wastes over $450 billion annually due to administrative processes, and its AI system can handle key processes from appointment to payment on a single platform, reducing the costs for medical institutions associated with switching between different systems.It was reported that Prosper AI's revenue has grown approximately five times since the last funding round in September of last year, and it has established partnerships with large healthcare IT platforms such as Athenahealth and ImagineSoftware. Investor a16z noted that healthcare institutions are shifting from "point automation tools" to "end-to-end process automation," and Prosper's goal is to eliminate all administrative friction between patient care and payment.

JPMorgan: Bitcoin mining is becoming increasingly sensitive to price fluctuations, with more miners approaching the breakeven point

According to CoinDesk, JPMorgan's latest report indicates that as more miners operate close to breakeven, the Bitcoin mining network is showing a higher sensitivity to price changes, with the response of hash rate and mining difficulty to price fluctuations significantly enhanced. The analysis shows that the "elasticity coefficient" of mining difficulty relative to Bitcoin price changes has risen to 0.62 over the past six months, indicating that the hash rate is responding more quickly to market changes.Analysts state that Bitcoin prices have been below production costs for five consecutive months, with approximately 20% of miners currently in a loss-making position. Under profit pressure, publicly listed mining companies have increased their Bitcoin selling scale, with sales exceeding 32,000 BTC in the first quarter alone, surpassing the total for the entire year of 2025. As some high-cost mining machines shut down, the network hash rate declines, and mining difficulty adjusts accordingly.JPMorgan expects that as long as Bitcoin remains below the production cost of about $78,000, the high sensitivity of mining to price fluctuations will continue to exist. At the same time, some mining companies are turning to artificial intelligence and high-performance computing businesses to seek more stable sources of income.
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