Quantum computing poses the same fundamental threat to mainstream cryptocurrencies—it is all about cracking their elliptic curve-based digital signatures (such as ECDSA). But the risk level and the difficulty of response vary significantly across different projects.

Ethereum faces the highest risk and the most complex challenge. It not only affects wallet transfers, but also undermines the BLS signatures that its proof-of-stake consensus relies on, as well as the cornerstone of the entire DeFi and smart contract ecosystem. Upgrading requires replacing the underlying cryptography without breaking thousands of applications and contracts—this is a massive and challenging engineering effort, and it is expected to take several years.

In comparison, Bitcoin’s situation is actually simpler. Its functions are purely focused, and the primary threat is concentrated on “transfer signatures.” The community plans to introduce an entirely new quantum-resistant address type (such as bc1r) through a soft fork, so that users can gradually migrate their assets. While this path requires community consensus, the technical goal is clear.

Projects like Ripple and Solana may be more flexible in how they respond. Ripple Ledger, due to its validator governance structure, has already begun integrating quantum signature algorithms on the test network, and the upgrade process may be smoother. Chains like Solana, which iterate quickly on technology, are also actively exploring hash-based quantum-resistant solutions.

The conclusion is: in the long run, all crypto networks must upgrade—this is an industry survival question with a mandatory answer. But in the short term, the biggest risk users face is still improper private key custody, not quantum computing. Ordinary users just need to maintain good habits: never reuse addresses, and use the latest wallet software, and they can be prepared for a smooth transition in the future.

Predictions on weekend market conditions:

This weekend, the market tone is weak and choppy, with elevated risk. The core reason is that traditional financial markets are closed for the Easter holiday, causing overall liquidity to become thin—at this time, any sudden news is easily amplified, leading to sharp volatility.

The current market is being suppressed by multiple negative factors: geopolitical tensions raise risk-aversion sentiment, causing risk assets like Bitcoin to be sold off; expectations for Fed rate cuts are also being delayed; and Bitcoin spot ETF funds continue to flow out, leaving no new capital entering the market.

For Bitcoin, you need to keep a close eye on key areas: strong resistance above is in the $68,500 to $69,000 range, and it is difficult to break through. Key support below is at $65,000 to $65,800—if it breaks this level on rising volume, it could further probe down toward $63,500 or even lower.

In terms of trading, the first principle is to reduce risk: make sure to avoid using high leverage, because when liquidity is thin, it is easy to get “needle-like” liquidations and blowouts. Next, stay away from altcoins, since their volatility is even higher. Finally, stay attentive—focus on developments in the Middle East over the weekend and the market sentiment after U.S. stocks open on Monday.

Overall, the market is currently under dual pressure from “low sentiment” and “capital outflows,” so the weekend setup is better suited for cautious watching and defense rather than actively trying to bottom-fish.
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