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Introducing the Wynn Upgrade A privacy-first architecture for Hibachi, built with Celestia underneath and Succinct A high-performance CLOB with ZK proofs, the first to publish encrypted state on Celestia Private DA if we ever rug (we won’t), you can still get your funds out

7,217,119 görüntüleme • 1 yıl önce •via X (Twitter)

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TL;DR - Privacy on public blockchains has historically been fragmented and episodic. Umbra introduces persistent, expressive privacy by default. - Umbra is a private financial layer on Solana, enabling private transfers, swaps, balances, and yield within a continuous shielded environment. - Umbra combines client-side zero-knowledge proofs for anonymity with MPC for confidentiality - MPC enables confidential balances via Encrypted Token Accounts (ETAs), hiding balances and transfer amounts - Privacy strength depends not only on cryptography, but on anonymity set size and user behavior. - Umbra treats anonymity sets as a first-class metric and designs the product to minimize behavioral privacy failures. - A multi-purpose shielded pool allows funds to remain private across transfers, swaps, and yield, compounding privacy over time. - The Umbra SDK allows wallets and applications to integrate private transfers, swaps, and balances, feeding activity into a shared shielded pool. - Swaps execute via public liquidity venues while identity, balances, and intent remain unlinkable. - Users can earn yield on shielded assets, incentivizing longer time in the private environment. - Umbra mitigates exit-related privacy risks through product design, including anonymity indicators, configurable unshielding delays, and confidential balances. - UTXO-based shielded systems suffer from performance decay as balances fragment into many notes over time, increasing scan and aggregation costs. - Umbra eliminates this bottleneck by consolidating balances into Encrypted Token Accounts (ETAs), using UTXOs only at the anonymity boundary. The result is encrypted balances with stable, high-performance transfers even as activity scales. - Compliance is addressed through proactive screening against risk databases and opt-in selective disclosure via read-only viewing keys. - Umbra was launched via MetaDAO as an ownership coin, with governance and economic policy determined by token holders through futarchy. - Umbra is not a mixer or a single feature, but a sovereign privacy domain with its own private state and internal economy. - Umbra is Hopecore for Privacy. Thank you all for reading!

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Say hello to Boojum 👋: zkSync Era’s new high-performance proof system for radical decentralization. Boojum is an upgrade that will transition zkSync Era to a STARK-powered proof system, providing world-class performance on consumer-grade hardware. 💡 Learn more: TL;DR 👇 Boojum is the name of our Rust-based cryptographic library, which we use to implement the upgraded version of the ZK circuits for zkSync Era and the ZK Stack. The name Boojum was inspired by Lewis Carroll's poem "The Hunting of the Snark," where the Boojum represents the most fearsome kind of Snark. We intentionally designed zkSync Era in a way that cryptographic upgrades can be made without a regenesis, meaning that the Boojum upgrade won’t cause any user disruptions. Why Boojum❓ From day one, zkSync’s mission is to advance personal freedom for all — making digital self-ownership universally accessible by building a blockchain network that is trustless, secure, permissionless, affordable, easy to use, resilient and limitlessly scalable. Boojum plays an important role in advancing this mission by delivering: 1. World-class performance zkSync Era’s current SNARK-based proof system is effective today, but it won’t scale to the volume that we envision for hyperchains. zkSync Era’s sequencer can already process over 100 TPS; Boojum orders of magnitude improvements to performance complements this well. 2. Reduced hardware requirements for decentralization Our long-term goal is to enable user-powered, decentralized proof generation. Boojum represents a breakthrough in this direction — with the prover running on consumer-grade GPUs requiring only 16 GB GPU RAM. Boojum’s Journey to Mainnet 🚴🏽‍♀️ Boojum is now live on Mainnet, generating and verifying ‘shadow proofs’ today with real production data so that we can carefully test the system ahead of fully migrating. Today, we’re also open-sourcing the repo; if you’d like to take a look, you can find it here 👇 This is the first of a series of posts on Boojum. We will provide updates on our progress, including more details on implementation, security, and performance. Watch here for more, anon ∎

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