美国参议院建议使用区块链进行国家安全测试

According to @ai_9684xtpa monitoring, three wallet addresses suspected of belonging to the same giant whale have exchanged 3720 ETH for about 70 WBTC and cbBTC in the past half hour, with a total value of 6.12 million US dollars.

According to Onchain Lens, a whale withdrew 374,161 SOL worth $52.78 million from Binance.

On April 21, according to CryptoRank data, the total number of active USDT addresses in the whole chain reached 31.10 million in the past 30 days. BNB Chain leads with nearly 12 million USDT active addresses, followed by TRON (11.20 million) and Polygon (2.60 million). The active address of the Ethereum chain is 1.80 million, Solana is 907,000, and Arbitrum is 925,000.

On April 21, according to Coinmarketcap data, the market picked up slightly, and the Altcoin Season Index of counterfeit products rebounded from the low of 14 on the recent Trump tariff day to 18, but it was still 32 points lower than the average in March and 43 points in February. Counterfeit products index since December 4, 2024 hit an annual high of 87 after continued to decline, the market value of the top 100 cryptocurrencies in the past 90 days only 10 tokens rose more than bitcoin, 90 day...

Spot gold rallied non-stop, hitting $3,390/ounce, continuing to approach the $3,400/ounce mark, rising more than 1.8% during the day.

From 14:00 on April 21, 2025 to 14:00 on May 20, 2025 (UTC + 8), users can get the corresponding SOLV token reward by pledging BTC through the OKX chain coin-making product. Users who have participated in the pledge before do not need to release the pledge, and can automatically participate in the new round of prize pool sharing.

On April 21st, according to the announcement of Huobi HTX, Huobi HTX will open the EPT deposit service at 14:30 (GMT + 8) on April 21st. EPT/USDT spot trading will open at 20:00 (GMT + 8) on April 21st. EPT withdrawal service will open at 20:00 (GMT + 8) on April 22nd. At the same time, Huobi leverage will add EPT/USDT (10X) position-by-position leverage trading at 20:00 (GMT + 8) on April 21st. It is reported that Balance is a social and interactive entertainment infrastructure developed by the...

The international gold price trend is strong, and New York gold futures have won another important round number of $3,400/ounce, setting a new record high and rising more than 2% in the day.

According to Sam Altman, CEO of OpenAI, users are costing OpenAI millions of dollars in computing power and electricity by saying polite words such as "please" and "thank you" to ChatGPT. Engineer Carl Youngblood and others argue: "It is a moral obligation to be polite to AI, and rough daily interactions can lead to degraded interpersonal skills." Epoch AI data analyst Josh You said that due to model and hardware efficiency improvements in 2025, each ChatGPT query consumes about 0.3 watt-hours o...

The "anti-tariff manifesto" warns that Trump's tariffs could lead to a "self-inflicted recession" and that the time window for reversing the policy is narrowing. Click to view...

April 21 news, Hong Kong stocks through 100ETF (159788) limit, rising for 3 days, the latest price hit a new high on the 20th, the premium rate was 20.24%, the turnover 182 million yuan, the fund supports T + 0 trading.

According to Cointelegraph, US Senator Cynthia Lummis recently said that "with it comes the concept of a strategic reserve of bitcoin, if you buy or convert current assets into bitcoin and hold it for 20 years, we have a very good model that shows that this can cut debt in half."