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Anatoly Yakovenko warns that Ethereum's Layer 2 faces quantum threats On May 2, 2026, Yakovenko from Solana wrote: "Layer 2 encryption layers in Ethereum are not quantum secure, so forget all hope." This statement comes at a critical time, as Bitcoin also faces quantum risks. Furthermore, his comments responded to an update from developers showing that Solana is making progress in post-quantum cryptography. The update demonstrated work on integrating the Falcon-512 signature verification system, a system resistant to future attacks that could be launched by quantum computers. Internal activities among Solana clients, such as Anza and Firedancer, indicate that the network is moving toward deploying these protections in production environments. Criticism focuses on the fact that Ethereum's Layer 2 networks still rely on cryptographic systems vulnerable to compromise if quantum computing breakthroughs occur. Most Layer 2 user wallets continue to depend on the Elliptic Curve Digital Signature Algorithm (ECDSA), with the common secp256k1 curve. After transactions are broadcast, related public keys can be seen on the blockchain. These keys could be at risk of exploitation in the long term if quantum decryption tools are released. This has led to a situation of "exploit now, decrypt later," as one of Solana's founders warned. In such a scenario, attackers could store transaction data today and later use quantum computers with Shor's algorithm to decrypt it. This type of development has the potential to enable adversaries to reconstruct private keys and gain unauthorized access to funds. In addition to digital wallet security, some zero-knowledge systems used in aggregation processes may carry theoretical risks. Technologies like Groth16 and Plonk, which are typical for zkEVM designs, rely on elliptic curve pairings. These techniques could be vulnerable to attacks in advanced quantum computing environments. Networks that use these frameworks include Arbitrum, Optimism, Base, and zkSync.

If you're just entering the crypto world, here is an honest talk about where to start and how not to lose money right away. I see that many beginners make the same mistakes, so I decided to share what I have learned. First, let's understand the basics. Cryptocurrency is digital money protected by cryptography. Unlike regular money, no one controls it: neither banks nor governments. This is the main difference. There are several types: coins (Bitcoin, Ethereum), which operate on their own blockchains, tokens created on existing networks, and stablecoins pegged to the dollar or gold. Now about earning. Yes, you can make money with cryptocurrency. Look at the history: Bitcoin has gone from cents to tens of thousands of dollars. In 2024, it reached $107,822, and is currently trading around $78.84K. Ethereum grew from $1.2 to several thousand. These are facts, not fairy tales. But remember — there have been drops, and they will happen again. How can you earn with cryptocurrency? There are several options. Trading is playing on short-term price movements. Arbitrage — buying cheaper on one platform, selling higher on another. There are also airdrops and faucets, where you can get coins just by performing simple actions. Staking — locking up cryptocurrency and earning rewards. Investing in DeFi projects or NFTs can give serious growth, but it’s risky. Mining requires expensive equipment, and trading meme coins is a gamble. How to start trading cryptocurrency? Five simple steps. First — choose a reliable exchange. Second — register and complete KYC verification. Third — fund your account. Fourth — buy cryptocurrency. Fifth — transfer it to a secure wallet for long-term storage. Which cryptocurrency should a beginner start with? I would recommend three main ones: Bitcoin — the classic, the first and most reliable cryptocurrency. Ethereum — not just a coin, but a platform for decentralized applications. Solana — a fast network with low fees, currently trading around $84.49. And here are the mistakes to avoid. Don’t buy based on news — when you hear news, it’s probably already too late. Use stop-loss orders to limit losses. Don’t trust your assets to random people. Trade with a cool head, not driven by emotions. Never trade with borrowed money. Keep learning and record your trades to see what works and what doesn’t. The main advice: start small, don’t risk more than you can afford to lose. Learning how to start with cryptocurrency should be slow and cautious. The market is volatile and unpredictable. Use only trusted resources. And remember — it’s not luck, it’s work and knowledge. Good luck in the market.