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The cryptography protecting most blockchain transactions is getting easier to break. That does not mean quantum computers are a threat yet. It means the gap between today’s quantum capability and the defenses securing blockchain signatures is getting smaller. This new technical piece from Circle explores: → What is the gap between quantum attacks and blockchain defenses? → Why the threshold for breaking ECDSA keeps falling → Why wallet and chain infrastructure will need to change → How Circle is preparing for post-quantum signatures

Post-Quantum Cryptography isn't just another security upgrade. 🔒 Organizations that build crypto-agility into their infrastructure now will be better positioned to adopt new cryptographic standards as they evolve. HPE’s Andrew Wheeler explains.

Post-quantum cryptography is becoming an increasingly important area of research across the industry. Our latest report explores what a post-quantum migration path for BSC could look like, including: • ML-DSA-44 transaction signatures • pqSTARK aggregation • Throughput and block propagation trade-offs One important takeaway: The biggest challenge wasn’t consensus. It was the increase in transaction and block sizes once quantum-resistant signatures were introduced. Full report 👇

The first known cryptography is roughly 4,000 years old. Around 1900 BCE a scribe carved hieroglyphs in the tomb of an Egyptian nobleman named Khnumhotep II. In a few places he swapped standard symbols for unusual ones. Scholars don't think this was real secret-keeping. More likely it was for dignity, mystery, or to impress educated visitors. It is the oldest known instance of the technique that would later become cryptography.

Zakura is aggressively optimizing Zcash's cryptography for full nodes, miners and wallets. Each day, we're sharing a new optimization or development that either Valargroup or Tachyon has contributed. Here's our first one:

AI proliferation has not demonstrably caused real side-channel cryptography attacks. Its now so cheap to get way more timing samples of sensitive operations on all devices, and to analyze it better. Curious situation

Illia on the two types of post quantum cryptography, and which one Near prefers "There's a difference between types of cryptography, so-called lattice based and hash based, and there's a bit of a debate right now in the Web3 space about what should be used, with different tradeoffs" "People are used to signing with their wallet, the traditional way, but if we go to more institutional adoption, people use multi party computation, MPC. That's also what backs Near Intents and a lot of the cross chain work Near is doing. Today we have an announcement that we have a consortium testing multi party computation across custodians, banks and regulators, to showcase how this is going to work in production for real institutional use cases" "This is where we need the social consensus for the whole of Web3 to work together in a reasonable way, because hash based is actually very hard to support with hardware wallets and MPC solutions. So it's important for us that there's consensus on lattice based" "We want to be ahead of the curve and showcase how all of these tools work, and bring it to both individual users and institutional usage. That enables both security and trust in blockchain, which we've seen plummet a bit since post quantum concerns started coming out late last year"