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Introducing Confidential Balances Token Extensions 🛡️ Confidential Balances are now live on Solana mainnet — the first ZK-powered encrypted token standard built for institutional compliance without sacrificing sub-second finality. Everything devs need to know 🧵

856,666 просмотров • 1 год назад •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!

milian

13,815 просмотров • 8 месяцев назад

Today, we are announcing our integration with Hyperlane ⏩, the open interoperability framework connecting more than 150 blockchain networks. Shield Swap is built for confidential trading. Participant identities stay off the public ledger, portfolio balances remain encrypted to the participant’s keys, and trades do not expose the participant’s full activity to public observers. Each transaction also creates an encrypted compliance record that can be disclosed to authorized parties when required. But confidential execution is only useful if participants can get their assets into the venue without rebuilding their treasury operations around a new network. Hyperlane solves that access problem. Its framework supports asset transfers across EVM, Solana, Cosmos, and other virtual machine environments. A single Hyperlane integration can connect applications and assets across more than 150 networks. For Shield Swap participants, that means assets can move into the venue from the networks where they already sit. Hyperlane also gives applications control over how cross-chain messages are verified. Its Interchain Security Modules allow developers to choose and combine security models for their deployment. Validator sets and signature thresholds can be configured around the requirements of the application rather than inherited from a single bridge-wide model. Transfers into Shield Swap remain visible on their origin networks. Confidentiality begins when the assets are shielded inside the venue. From that point, the participant’s identity, balances, and trading activity stay out of public view. View keys allow the participant to disclose the relevant records to authorized parties without making those records public. During the beta period, the initial Hyperlane routes will support ETH on Ethereum, SOL on Solana, and wBTC on Ethereum. Early access is available to a limited number of beta participants at

Shield Swap

21,247 просмотров • 25 дней назад