MarketWhisper

Cryptography engineer Filippo Valsorda published a technical analysis article on April 20, 2026, arguing that even under the most optimistic development pace, quantum computers cannot crack 128-bit symmetric encryption (AES-128) in the foreseeable future, pointing out that the industry has misunderstood “post-quantum cryptography.”

XRP is now available for purchase through a WhatsApp chat bot, an important milestone toward making meme coins mainstream. On April 20, Solana’s lead developer Anatoly Yakovenko shared that he swapped 0.1 SOL for 5.99 wXRP, with the entire process completed via a WhatsApp chat bot. He said Solana is ready for the Baby Boomer generation.

Mizuho Financial Group, Nomura Holdings, Japan Securities Clearing Corporation (JSCC), and Digital Asset jointly announced on April 21, 2026 (Monday) that they will launch a pilot for Japan government bond (JGB) collateral management on the institutional-grade blockchain platform Canton Network, with the goal of enabling around-the-clock, real-time collateral exchanges between custodians across accounts.

Curve Finance founder Michael Egorov published a long post on the X platform on April 21, 2026, pointing out that several preventable attacks have recently occurred in the DeFi space. He said the root cause is centralized failure points that are harming the entire DeFi industry. In the post, Egorov proposed to the Ethereum Foundation that it develop principles, rules, and recommendations for building DeFi security.

French music streaming platform Deezer announced on April 21 the most comprehensive AI music penetration data to date: AI-generated songs currently account for 44% of the platform’s daily newly uploaded tracks—up to 75k per day, or more than 2 million per month. Despite a large influx of AI music, its actual plays account for only 1-3% of the platform’s total plays, and 85% of AI-generated tracks are disqualified from earning revenue due to cancellations.

KelpDAO’s vulnerability caused Aave’s total value locked (TVL) to fall from $26.4 billion on April 18, 2026, to about $17 billion on April 21, and after DefiLlama founder 0xngmi officially responded on the X platform to accusations that its Aave TVL figures were inflated by circular liquidity, he said that the amount of borrowed tokens has been deducted from the TVL.

The Chamber of Digital Commerce, the digital commerce chamber of the blockchain industry, on April 20, 2026, sent a letter to the Senate Committee on Banking, urging the committee to advance the legislative process for establishing the digital assets market structure to the formal markup stage, and to publish a public statement simultaneously on the X platform. The letter was also sent to Tim Scott, the committee chair, and others.

Layer 1 chain Pharos announced its native token PROS tokenomics framework on April 21. The total supply of PROS is 1 billion coins, including a 6% air drop. The core team and investors are subject to 12 months of lockup plus 36 months of linear release. The staking inflation policy is split into two phases: 0% for the first six months before the mainnet launches, then 5% per year starting in the seventh month; afterward, the foundation will dynamically adjust it based on the network’s operating conditions.

Grayscale, on April 20, 2026 (Monday), submitted an updated HYPE ETF filing to the U.S. Securities and Exchange Commission (SEC), listing Anchorage Digital Bank as the primary custodian, replacing Coinbase, which had served as the primary broker and custodian in the prior filing. If approved by the SEC, the fund will trade on Nasdaq under the stock ticker GHYP.

Dragonfly managing partner Haseeb posted on X on April 21 in response to recent market pessimism sparked by DeFi security incidents. He said that DeFi has delivered improvements after the Terra collapse, the failed 2020 Black Friday auction, and the stETH de-pegging in 2022. He emphasized that DeFi will not disappear, and that discussing how to improve it is itself part of DeFi’s progress.

According to the Schedule 13D filing submitted to the U.S. Securities and Exchange Commission (SEC) on April 20, Tether holds 1,950,000 shares of the Bitcoin mining financial platform Antalpha through affiliated entities, representing a 8.2% ownership stake. Tether chairman Giancarlo Devasini has voting and disposition rights over the aforementioned shares.

Bitcoin (BTC) sees a V-shaped rebound. As of April 21, it is temporarily around $76,028. U.S. President Trump says he is willing to hold direct talks with Iran’s top leadership. Lido said that the EarnETH treasury holds an exposure of about $21.6 million in rsETH, and the loss-protection mechanism is ready. DeFi has lost more than $600 million over the past three weeks, and the Kelp DAO incident has dragged DeFi TVL down to a one-year low.

Deutsche Bank released a research report on April 20, citing db DataInsights survey data covering 3,400 consumers in the United States, the European Union, and the United Kingdom. The report shows that the retail adoption rate of cryptocurrencies in the U.S. rebounded to 12% in March, returning to the level of July 2025. The report also indicates that 70% of respondents who hold cryptocurrencies said they hold Bitcoin, the highest share among all types of crypto assets.

For the week ending April 6, the tokenized Pokémon Trading Card Game market’s weekly revenue grew to $5.38 million, slightly below the all-time high recorded in September 2025. The approach toward a near-new peak is structurally different this time: the September 2025 peak was concentrated in a single week from the Collector Crypt TGE, while the current high point comes from organically accumulating for six consecutive weeks, with the Courtyard platform as the primary contributor.

After experiencing sharp volatility over the weekend triggered by heightened U.S.-Iran tensions, Bitcoin returned near $76,000 on April 21. U.S. President Trump said that any agreement that Iran and the U.S. are currently negotiating will be “better than” the 2015 Joint Comprehensive Plan of Action (JCPOA), and that he is willing to meet directly with Iran’s leadership. The remarks briefly boosted market sentiment. However, Brent crude oil continued to swing around $90 per barrel, keeping Bitcoin under cautious sentiment pressure.

Michael Saylor posted his iconic “orange dot” buy signal chart on the X platform on April 19, along with the caption “Think Bigger.” MicroStrategy has raised $1.76 billion in standby capital through financial instruments such as STRC preferred stock. The company’s treasury currently holds 780,897 bitcoins, with an average cost of $75,577 per coin.

Pi Network has issued an official notice to node operators, requiring them to complete the mandatory upgrade of the agreement version 22.1 (v22.1) by April 27, 2026; otherwise, they face the risk of their nodes being cut off from network connectivity. According to a Pi Network announcement, this upgrade must be carried out in strict version order. Currently, the system is running on version 21.2; the next step is to upgrade to v22.1, and no versions may be skipped.

Open-source AI desktop client Cherry Studio is found to have a privacy design flaw by users: after turning off the option “Send error reports and data statistics anonymously,” the client continues to transmit identifying data that includes device IDs, system information, and CPU architecture. After GitHub user Yuerchu posted packet-capture screenshots in Issue #14387 , the developer kangfenmao acknowledged in the comments that the issue is indeed real.

According to a report by the UK’s Financial Times, British AI startup Recursive Superintelligence, founded only about four months ago, has completed at least $500 million in funding, with a pre-money valuation of $4 billion. This round was led by GV (formerly Google Ventures), with participation from Nvidia as a co-investor.

Musk’s social platform X rolled out a brand-new “Smart Cashtags” feature on the evening of April 15 (last Tuesday). On April 17, Nikita Bier, X’s product lead, announced that in just 3 days the feature drove about $1 billion in trading volume across global markets, based on aggregated data from X’s trading pilot program.