AKEDO Games主办的TON Asia – Seoul活动圆满落幕

区块律动Published on 2008-09-24Last updated on 2024-09-09

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AmericanFortress proposed a scheme to protect crypto wallets from quantum threats

AmericanFortress has published a preprint detailing ZKPoSP, a cryptographic scheme designed to protect hierarchically deterministic (HD) cryptocurrency wallets from potential quantum attacks without requiring users to change their addresses. The proposed scheme replaces classical digital signatures with non-interactive zero-knowledge (NIZK) proofs, aiming to maintain compatibility with existing address formats. The company also introduced the QBIP32 scheme, intended to generate a signing scalar, a separate quantum-resistant proof, and a chain code in a single function call. According to the authors, QBIP32 can be applied to various elliptic curves of prime order, including secp256k1 and Ed25519. The post-quantum security of the scheme is described as "conjectured," relying on the quantum resistance of the underlying hash functions and NIZK proofs. However, for the scheme to function in a given blockchain network (like Bitcoin, Ethereum, or Solana), nodes would need to support verification of these new proofs instead of standard signatures—a capability currently not implemented. An implementation in Rust using RISC Zero reportedly takes 12–13 seconds to generate a proof and 9–10 milliseconds to verify it. The publication follows other industry efforts to address quantum threats, including reports from Galaxy on vulnerable assets, new hardware wallets like the PQ1, and consortiums like the Bitcoin Security Consortium pledging funding for post-quantum cryptography research. This new work specifically focuses on HD wallets and positions ZKPoSP/QBIP32 as a general mechanism for multiple curves and networks.

cryptonews.ru11m ago

AmericanFortress proposed a scheme to protect crypto wallets from quantum threats

cryptonews.ru11m ago

Weekly On-Chain Data Review: Robinhood Chain Explodes, FWA Goes Viral, Mantle Doubles Down on RWA

**Chain Data Weekly Digest: Vault Regulation, Robinhood Memecoin Surge, and FWA's NFT Gamble** * **Vault Managers Face SEC Scrutiny:** SEC Commissioner Hester Peirce warned that some DeFi Vault strategies could trigger investment advisor regulations. This may lead to licensing requirements, potentially sidelining smaller managers while bringing more traditional finance firms on-chain. The industry debates whether Vaults are purely code-driven or resemble discretionary portfolio management. * **Robinhood Chain's Memecoin-Led Boom:** Despite its initial RWA focus, Robinhood Chain has seen explosive early growth driven by memecoin trading and launchpads, which now dominate its DEX volume. The chain facilitates memecoin trading via tokenized stock pairs. It boasts over $800M in on-chain assets, $5B in stablecoin market cap, and strong fee revenue, positioning it as a consumer trading hub. * **FWA Revives NFT Activity with a Gamble:** The Fake World Assets (FWA) protocol, a gachapon-style system on Ethereum where users pay to randomly win deposited NFTs, has rapidly captured 10% of Ethereum's mainnet gas consumption in its first week. It demonstrates how simple, consumer-facing mechanics can reignite NFT engagement, attracting a broad user base. * **CEX Consolidation & DEX Growth:** The closures of BitMEX and BitMart highlight intense central exchange (CEX) competition and consolidation. Meanwhile, the DEX/CEX spot trading volume ratio hit a record high of 24.3% in July, signaling a shift of trading activity and innovation to on-chain venues. * **Mantle's RWA Focus at 3 Years:** Celebrating its third anniversary, Mantle Network is solidifying its role as a "full-stack distribution layer" for tokenized real-world assets (RWA). It ended Q2 with $1.2B in DeFi TVL, $955M in stablecoin market cap, and a growing suite of native RWA trading infrastructure like Fluxion and xChange.

marsbit21m ago

Weekly On-Chain Data Review: Robinhood Chain Explodes, FWA Goes Viral, Mantle Doubles Down on RWA

marsbit21m ago

From 'Western Learning Ants' to Korean Pension Funds: Why Does Korean Capital Continue to Flow to the US?

Summary: "From 'Western Ants' to National Pension: Why Korean Capital Continues to Flow to the U.S.?" South Korea’s capital is increasingly moving toward U.S. markets, driven by two key investor groups. Individual retail investors, known as "Western Ants," actively trade U.S. stocks overnight, seeking exposure to major tech firms and higher returns often unavailable in Korea’s concentrated domestic market. Simultaneously, the National Pension Service (NPS), managing over $1.16 trillion in assets, is expanding its global investment footprint. Facing demographic pressures and the sheer size of its fund, NPS has steadily increased overseas allocations, with over half its financial assets now invested abroad. A recent memorandum of understanding with six top U.S. venture capital firms (including Sequoia and a16z) marks a strategic extension into Silicon Valley’s private investment ecosystem, aiming to access growth-stage tech opportunities while leveraging external managers’ expertise. While both flows reflect limitations of Korea’s home market, their risk profiles differ sharply: retail investors often pursue speculative, concentrated bets, whereas NPS must ensure long-term, diversified returns for national retirement security. This outward shift also creates macroeconomic tensions, as demand for dollars from both groups pressures the Korean won, prompting coordinated measures between NPS and the central bank to mitigate currency volatility. Ultimately, Korea’s growing financial integration with global markets—especially the U.S.—signals a broader structural shift where citizens’ wealth and pension sustainability are increasingly tied to worldwide economic dynamics.

marsbit31m ago

From 'Western Learning Ants' to Korean Pension Funds: Why Does Korean Capital Continue to Flow to the US?

marsbit31m ago

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