500 cold wallets emptied in 25 minutes! Coldcard vulnerability leads to theft of 594 bitcoins The well-known Bitcoin cold wallet Coldcard recently revealed a major security flaw: Hackers exploited a firmware defect hidden for years and successfully emptied nearly 500 wallets within just 25 minutes, stealing a total of 594 bitcoins. What is truly shocking is that the vulnerability did not stem from private key leakage or phishing attacks on users, but from a problem with the "Random Number" during the cold wallet's private key generation. The biggest enemy of private keys is not hackers, but insufficient randomness The security of cryptocurrencies is based on one premise: "Private keys must be completely unpredictable." Under normal circumstances, Coldcard should use the chip's built-in Hardware Random Number Generator (HRNG) to produce nearly truly random entropy, which is then used to generate the private key. However, this vulnerability caused the system to skip the hardware random source in some cases and instead use: * Chip Serial Number * System Timestamp * Other predictable non-confidential information to generate the private key. Although these pieces of information seem different, they are inherently patterned and can be inferred. — The private key becomes "guessable." For the average person, the possible combinations of a 256-bit private key are: 2²⁵⁶ This number is so large that even if all the supercomputers in the world worked together, brute forcing it would be nearly impossible. But if the randomness source is limited to a finite set of combinations, such as: * Created within a certain time frame * Known hardware model * Known chip serial number format then the search space shrinks from a cosmic scale to a range that hackers can practically enumerate and test. In other words, hackers don’t need to crack the password; they only need to reproduce the private key generation process at that time to potentially calculate the exact same private key. Once successful, they can directly control all bitcoins in the wallet. Why were nearly 500 wallets emptied in 25 minutes? Because the attack target was not a single wallet but all devices affected by the same vulnerability. Once the flaw was discovered, hackers could mass-generate possible private keys and compare them with on-chain addresses. As soon as they found an address with assets, they could immediately sign transactions and transfer all funds away. Therefore, it looks like hundreds of victims were attacked simultaneously, but in reality, it was a large-scale private key reconstruction attack. Cold wallets are not absolutely secure: Many people believe: "Cold wallets will never be hacked." This is not true. The biggest advantage of cold wallets is that private keys never touch the internet. But if the private key was not generated using truly high-quality randomness from the start, even if the device has never been online, the risk may have been planted at the moment of its creation. Therefore, what truly determines security is not just being offline, but: * Whether a trusted hardware random number generator is used. * Whether the firmware has undergone a complete audit. * Whether there are public and verifiable security mechanisms. * Whether any predictable information is avoided in private key generation. Cryptocurrency security is not just about "keeping private keys offline." The real core lies in whether the private key was born from truly unpredictable randomness. Once randomness loses its unpredictability, even the most expensive cold wallet can instantly lose all protective capabilities. In the world of cryptography, true security comes not from hardware, but from "unpredictability."

The cryptocurrency world in recent years can be said to have magnified human nature to the extreme. You think you are trading, but in reality, you are battling your own greed, fear, and luck. During a bull market, everyone feels like a genius, every random purchase goes up, and once leverage is applied, the world is yours. Not long ago, there were countless stories about financial freedom, but now it has turned into a reality show of forced liquidations. Huang Licheng, 335 liquidations. You read that right, it's not 3 times, not 35 times, but 335 times. This is no longer trading; this is being repeatedly educated by the market, and every lesson is very expensive. From once making 1.4 billion to now losing 1 billion, the period in between is not called volatility; it's called a plot twist in life. What's even harsher is that the account is left with only 30,000 dollars. The cruelest part of the market has never been whether you will lose, but rather that it will make you believe you won't lose when you are winning a lot. Then you slowly increase your position, amplify your leverage, boost your confidence, and in the end, take everything back in one last go. Many people laugh at such stories, but if you break down the elements of leverage, frequent trading, and emotional highs, it's really just amplifying the mistakes that most retail investors make by 100 times. The market has never lacked geniuses; what it lacks are those who can survive until the end. Some people lose because they can't understand trends, some lose because they can't control risks, but more people lose because they don't know when to stop, which is very similar to day trading in the stock market, where they always believe they will win. 335 liquidations are not just a record. It's more like a reminder that if you don't have risk control, the market will do it for you. What you earn by luck will ultimately be lost by skill. $ETH

Chainlink partners with the U.S. Department of Commerce! Bringing U.S. GDP and inflation data onto the top 10 public blockchains The U.S. government continues to expand blockchain applications. The decentralized oracle network Chainlink recently announced that the U.S. Department of Commerce is using Chainlink infrastructure to bring official macroeconomic data from the U.S. Bureau of Economic Analysis (BEA) onto the blockchain, allowing smart contracts and on-chain applications to directly access economic data released by the U.S. government. Currently, there are 6 official data feeds covering key economic indicators: Real GDP, Personal Consumption Expenditures Price Index, and Real Private Domestic Final Sales. Each indicator is divided into 2 data sets, including the latest value and the seasonally adjusted annual growth rate, forming a total of 6 feeds. The data will be updated monthly or quarterly according to the BEA's original release schedule, and no data will be provided earlier than the government's official release time. The first wave of supported 10 public blockchains includes Ethereum, Arbitrum, Avalanche, Base, Botanix, Linea, Mantle, Optimism, Sonic, and ZKsync. Other blockchains may be added in the future based on market demand. $LINK $ETH $ARB #8月非农16.2万远超预期，加息押注升温

The probability of a US rate hike in September has exceeded 60% PANews, September 4 — Traders are currently further increasing their bets on a Federal Reserve rate hike in September. Swap markets show that the probability of a rate hike in September has exceeded 60%. PANews, September 4 — US employment growth in August exceeded expectations, and the unemployment rate remained unchanged, indicating that the momentum in the US labor market may be stronger than previously thought. According to data released by the US Bureau of Labor Statistics on Friday, based on revisions to employment data for the previous two months, nonfarm payrolls in the US increased by 162,000 in August, surpassing all economists' expectations. The nonfarm employment growth was mainly driven by a rebound in leisure and hospitality jobs and an increase in government employment. At the same time, construction and manufacturing also recorded strong employment growth. The unemployment rate remained at 4.1%. This report shows that the US labor market is withstanding the uncertainties caused by the Iran war and inflationary pressures. Federal Reserve officials may view this report as evidence supporting a rate hike, but the US CPI data to be released next week will be key for the Fed's interest rate decision later this month. $BTC #8月非农16.2万远超预期，加息押注升温

Tom Lee: Many people haven't gotten on board despite Bitcoin's rise! There will be a big market in Q4, BTC 150,000 USD is not far away Fundstrat co-founder Tom Lee stated on CNBC that very few people actually hold cryptocurrencies. Because of this, breaking the six-figure mark (over 100,000 USD) for Bitcoin is not difficult. "I think 150,000 is still possible, and actually not far from now." Bitcoin is currently around 79,000 USD. To reach 100,000 requires a 27% increase, and to reach 150,000 requires a 90% increase. Tom Lee said that if the Federal Reserve raises interest rates and long-term yields actually go down, that effectively means monetary easing. He believes the key is to see how long-term yields react to rate hikes, and currently long-term yields are already rising. This observation has real-world evidence: the US 10-year Treasury yield broke above 4.75% on August 31, the first time since January 2025, and the 30-year yield is also near 5.26%. The long end has not yet shown the kind of inverse decline he mentioned. Tom Lee is often right about structural trend directions, but his timing and price targets have always been "very optimistic." This is his statement, not investment advice. $ETH #比特币再破80000美元

Yesterday (September 3), Bitcoin experienced a clear upward surge. It started the day around $77,300 The intraday low was about $76,900–77,000 The high reached $81,700–82,300 The final close was in the $81,100–81,500 range The daily increase was about 5%–5.5%. In the evening, there was a rapid rise of about $4,000–5,000 Currently, the price is fluctuating and consolidating around $80,800–81,400 Close to last night's closing price. From the liquidation data, the forced liquidations were mainly shorts (short squeeze) The total liquidation amount was about $280–400 million It was not a large drop liquidation dominated by longs. Some investors holding base positions near 76,700 have already realized floating profits. The previously mentioned $78,425–80,000 range still holds reference value: Without a clear signal of volume-driven decline, it is not advisable to short directly. As proven, most blind short sellers have been trapped or forced to stop loss. BTC support and resistance reference: 87,550 / 85,165 / 75,475 / 78,425 / 71,500 ETH support and resistance reference: 2,750 / 2,400 / 2,225 / 2,100 (still following BTC movement) This does not constitute investment advice, DYOR $BTC $ETH #沃勒：8月通胀决定9月是否加息

Robinhood Chain is a well-known US stock and cryptocurrency trading platform's permissionless, Ethereum-compatible Layer 2 blockchain specifically designed for on-chain financial services and RWA. Technical foundation: Built on the Arbitrum (Offchain Labs) tech stack (Arbitrum Dedicated Blockchains / Orbit / Nitro), transactions execute quickly on L2 and data settles back to the Ethereum mainnet, inheriting Ethereum's security. Uses ETH as gas fees, with no native token of its own. Mainnet status: Public testnet in February 2026, official mainnet launch on July 1, 2026. Chain ID is 4663. Block time about 100 milliseconds, using first-come-first-served ordering. Fully EVM compatible: Supports Solidity / Vyper, standard development tools (Hardhat, Foundry, ethers.js, etc.) can be used directly, anyone can deploy smart contracts without Robinhood approval. Key features include: Stock Tokens, DeFi applications. $ETH $ARB #Robinhood链放量，ARB收入叙事升温

Thank you all for your support, we have reached 2,000 friends But we encountered a small problem, the follow limit is full Please wait patiently for the limit to be lifted～ The SEC launches the biggest reform in nearly half a century, officially incorporating blockchain into transfer agent rules The U.S. Securities and Exchange Commission (SEC) proposed a transfer agent regulatory reform plan on September 1, preparing to significantly update the regulatory system that has not undergone major adjustments since the late 1970s, incorporating emerging technologies such as electronic communications, blockchain, tokenized securities, and artificial intelligence (AI) into the regulations. Transfer agents are an important infrastructure of the U.S. securities market, mainly responsible for maintaining shareholder registers and securities ownership records, handling stock transfers, dividend distributions, corporate mergers and acquisitions, and participating in securities clearing and settlement processes. However, many current rules were established in the 1970s when paper records and traditional financial infrastructure dominated, which is clearly out of sync with today's highly electronic securities market. As stocks, bonds, and funds gradually adopt blockchain, the role of traditional transfer agents is also beginning to change. SEC Chairman Paul Atkins stated that this proposal aims to simplify and modernize the relevant rules to align with the current operational practices of transfer agents, including the use of electronic communications and blockchain technology in securities issuance and share transfer processes. $BTC #FOMC前最后一组数据：本周五非农

Japanese Bitcoin treasury company Remixpoint liquidates altcoins! Only holding 1,506 BTC as a single stake Japanese listed company Remixpoint sends a clear signal: Abandon altcoins, fully back Bitcoin Details of liquidation: four sales, three profits and one loss The quantities and market values of altcoins sold by Remixpoint are as follows 901 ETH, market value about 2.14 million USD 13,920 SOL, market value about 1.36 million USD 1.19 million XRP, market value about 1.57 million USD 2.8 million DOGE, market value about 226,000 USD Among them, DOGE is the only losing position, with a loss of 20,000 USD The other three coins all made profits Remaining 1,506 BTC: Japan's third largest corporate Bitcoin holder After selling altcoins, Remixpoint's crypto asset portfolio only holds 1,506 Bitcoin, currently valued at about 115 million USD According to Bitcoin Treasuries statistics Remixpoint ranks as Japan's third largest corporate-level Bitcoin holder The company stated in the announcement that the decision to sell altcoins was based on factors including market conditions, risk-return characteristics, and overall financial strategy. Concentrating crypto investments on Bitcoin aims to "clarify investment strategy" and "improve capital efficiency." $BTC

Bitcoin Faces the Red September Test! Bulls Clash with Historical Curse $80,000 Standoff Bitcoin entered September with strong momentum, but the market also faces one of the most seasonally pressured months historically. August saw a rise of about 25%, marking the third-best August performance ever, behind only 2017's 65.6% and 2013's 30.7%. This rally briefly pushed Bitcoin above $80,000, testing the resistance zone between $81,000 and $82,000. Entering September, the price retreated to fluctuate around $77,000 to $78,000, with bulls and bears continuing to battle for the $80,000 level. A key support for August's rally came from institutional funds. The US spot Bitcoin ETF recorded a net inflow of approximately $3.52 billion for the month, the best single-month performance in nearly 10 months. Notably, there were nine consecutive trading days of net inflows in late August, until August 28, when a net outflow of about $202 million occurred. The "Red September" curse strikes again, with 8 out of the past 13 years closing in the red. August's strong performance has not fully alleviated market concerns due to Bitcoin's well-known "Red September" seasonal pattern. Historical data shows that in the past 13 Septembers, 8 ended with losses, with an average return of about -2.97% and a median return of about -2.44%, making it the worst-performing month among all 12 months of the year. $BTC

Against Tether and Circle! Goldman Sachs, Citibank, and 21 Financial Giants Plan to Launch Stablecoin in 2027 Global major banks and asset management companies are preparing to jointly enter the stablecoin market. Including Goldman Sachs, Bank of America, Citibank, Deutsche Bank, and UBS, 21 financial institutions announced plans to jointly establish a new company in the second half of 2026 and launch a US dollar-pegged stablecoin in the first half of 2027. This plan was first revealed in October 2025, when only 10 banks participated. Now the scale has expanded, with participants spanning North America, Europe, East Asia, the Middle East, and Africa. North American members include Bank of America, Capital One, Citibank, Fidelity Investments, Goldman Sachs, PNC Financial Services, Scotiabank, TD Bank Group, Wells Fargo, and WisdomTree; European members include Santander, BBVA, Commerzbank, Crédit Agricole, Deutsche Bank, Lloyds Banking Group, Rabobank, and UBS. Asian, Middle Eastern, and African members include Japan's Mitsubishi UFJ Bank and others $USDC $USDT

The crypto industry is bidding farewell to "air coins," with about 15 mainstream projects (such as Solana, Ethena, Polygon) driving token economic reforms, with core directions: 1. Inflation suppression / hard cap setting (public chains): Solana accelerates inflation reduction, NEAR halves the inflation cap, Aptos sets a supply hard cap. 2. Revenue buyback and burn (application layer): Using protocol revenue to buy back and burn tokens, Hyperliquid and pump.fun account for nearly 90% of this year's buybacks. 3. Unlock optimization: Releasing tokens early or slowing release speed to reduce selling pressure. 4. Real income staking: Changing staking rewards from issuance to real business revenue. Buybacks have reached nearly $640 million this year, but buybacks ≠ price increase. The real key is whether protocol revenue can sustain growth. Future token value evaluation standards will shift from "how many tokens are issued" to "how much money is earned, how it is distributed, and whether it is sustainable," and the Meme track, which cannot provide real income, will face uncertainty about its future. $SOL $ETH $POL #Robinhood链上放量，币股Meme引争议