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Announcing Private Blockspace: built for high-performance onchain markets where confidentiality is a requirement, not a feature. Positions, balances, and execution logic can remain private, while data availability and protocol commitments are designed to remain publicly verifiable.

Celestia

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94,276 views • 8 months ago •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!

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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31,606 views • 8 days ago

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11,802 views • 1 year ago

My children are hungry and I don’t know where to turn. 💔 Where is the humanitarian flotilla that promised to bring food and aid? Was all that hope just a show? How can the world watch children suffer and remain silent? 🇵🇸

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15,214 views • 10 days ago

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Zeus 🇬🇧

10,602 views • 8 months ago

Shops remain closed at Pan Africa Mall in Alexandra. Protestors are now heading to JSC in Sandton. There is a large police presence, both SAPS and Metro. There are also different private security companies and some community members that have joined the police.

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BEAST OF NEWS

52,983 views • 3 years ago

Previewing Arc’s future approach to opt-in privacy. Sensitive financial workflows should not become public market data. Arc’s privacy whitepaper outlines a roadmap for future confidentiality features with governed visibility for authorized parties. Potential use cases include: → Payroll → Treasury → Trading workflows → Asset issuance → B2B payments and FX Privacy without anonymity, designed for real financial activity onchain:

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Arc

80,873 views • 3 months ago

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LayerZero

281,899 views • 1 month ago

🔐 A record only matters if it survives scrutiny. Off-chain, a business record can be edited quietly. No trace. No history. No way to check. On-chain, that changes. Every state change is timestamped, sequenced, and permanent. KONET treats this as the baseline for commerce — not a feature, a requirement. Trust doesn't scale. Verifiable records do. #KONET #DataIntegrity #RealWorldUtility

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KONET

42,218 views • 2 months ago