Hinkal

**CryptoRubic has launched a beta version of its privacy solutions aggregator**, marking a significant development in the crypto privacy space. The platform integrates multiple privacy providers into a single interface, allowing users to directly compare: - Transaction speed - Cost - Confidentiality levels This aggregator approach addresses the fragmented nature of privacy tools in crypto by centralizing access and enabling side-by-side evaluation of different solutions. The beta is now available for users to test and compare privacy providers firsthand. [Try the beta](https://rubic.exchange/blog/web3-privacy-tools-the-state-of-2026/)

**Wallets are becoming the account layer for crypto neobanks, but there's a fundamental problem:** public wallets expose all financial activity by default. - Balances are visible to anyone - Counterparties can be traced - Transaction flows can be reconstructed over time **The core limitation:** While stablecoins scale access, they can't scale neobanks without privacy. Hinkal addresses this through: - Cryptographic privacy via smart contracts - Compliance built in (Chainalysis screening, viewing keys) - Multi-chain support (EVM, Solana, Tron) - Recipient-side privacy - not just sending The platform has processed $400M+ in confidential volume across products including Hinkal Wallet, Hinkal Pay, and Hinkal Send. [Read more](https://hinkal.io/blog/why-neobanks-cant-scale-globally---yet)

**Privacy infrastructure now available for Solana ecosystem** A privacy-focused infrastructure layer is now available for Solana wallets, applications, and protocols. The solution enables: - Confidential balances - Private receive functionality - Private payouts The infrastructure integrates into existing Solana stacks with minimal technical overhead. This builds on over three years of privacy tool development on Solana, including private sending, swaps, wallet funding, and payment APIs. The modular approach allows developers to add privacy features without rebuilding their applications from scratch.

**The Privacy Gap in Crypto Payments** Most privacy solutions protect senders but fail at the receiving end, leaving transactions exposed. **Key Issue:** - Current payment systems focus on sender anonymity - Receivers remain vulnerable to exposure - Transaction privacy breaks at the destination point **The Missing Piece:** True payment privacy requires protecting both parties - sender and receiver - not just one side of the transaction. This highlights a fundamental flaw in existing on-chain privacy approaches.

**Hinkal Pay** has launched, enabling businesses and consumers to settle transactions with full confidentiality. **Key Features:** - Sender, recipient, and amounts remain private on-chain - Works with existing wallets, chains, and stablecoins - Supports confidential sending, receiving, and payouts - Maintains compliance through Chainalysis screening **How It Works:** Funds move to a confidential balance within Hinkal's smart contract, controlled by the recipient's existing wallet. Recipients can execute private payouts to vendors, employees, or partners, or send to public wallets while keeping the sender private. **Availability:** - Live on Ethereum, Base, Arbitrum, Polygon, Arc, and Optimism - Supports USDT, USDC, DAI, and ETH - All transactions screened before execution; high-risk addresses blocked The service builds on Hinkal's earlier Private Send feature, which enabled private top-ups for non-custodial crypto cards through Ether.fi integration.

**Hinkal has developed a privacy solution that addresses institutional needs while maintaining regulatory compliance.** The platform distinguishes itself through built-in verification hooks that allow institutions to execute private transactions without sacrificing audit trails. This approach solves a critical problem: institutions require privacy to protect trade strategies and prevent front-running, but compliance teams have historically rejected privacy tools that appear designed for illicit activity. **Key features include:** - ZK proofs for transaction privacy - Stealth addresses for user anonymity - UTXO pools on EVM chains - Multiple users operating through single addresses with zero information leakage The architecture was presented at Devcon Argentina by Hinkal's CTO, demonstrating enterprise-grade privacy that integrates seamlessly with existing DeFi protocols. The solution represents a shift from earlier privacy tools by prioritizing compliance alongside anonymity. Research credit: [@KeyringResearch](

**DeFi cards are bridging crypto and real-world spending**, but they expose a privacy gap. [Ether.fi Cash](http://Ether.fi) lets users spend stablecoins while earning 5.6% APY or borrow against yield-bearing assets without selling crypto. **The privacy problem**: All blockchain transactions are public. When you fund a DeFi card from your main wallet, anyone can trace the connection between your spending and investment activities. **Hinkal Wallet offers a solution** - a self-custodial private smart contract wallet that breaks on-chain links: - Deposit funds into Hinkal's shielded pool - Unshield the amount needed for your Ether.fi Cash vault - Transfer completes with no traceable connection to your source wallet This **preserves financial privacy** while maintaining full DeFi functionality. Users can spend, borrow, and transact confidently without exposing their broader portfolio activity. As DeFi integrates deeper into everyday payments, privacy solutions like Hinkal become essential for users who value financial confidentiality in transparent blockchain systems.

**Hinkal CEO joins Arc Network live stream** to demonstrate private, verifiable stablecoin payment technology. **Key highlights:** - Live demo of Hinkal wallet functionality - Discussion on institutional adoption benefits - Integration with Arc Network for enhanced privacy The session focuses on how **private transactions** can make crypto more accessible for institutional players while maintaining verification capabilities. [Watch the live event](https://community.arc.network/public/events/day-one-architect-hinkal-xws9y2anoh)

**Hinkal Wallet** is preparing a major update that will allow users to **import and export private keys** for public accounts. The new features aim to provide: - Greater user control over wallet management - Enhanced flexibility when switching between devices - Better integration capabilities with other tools - Improved transparency in wallet operations This update focuses on making the wallet experience more **user-friendly, secure, and customizable**. The team indicates this is part of a broader series of improvements coming to the platform. Users can currently access Hinkal Wallet through their website at [hinkal.pro](http://hinkal.pro) with unique access codes.

**Hinkal launches institutional-grade privacy for stablecoin payments** on Arc Public Testnet, making wallet balances, transfers, and counterparties completely invisible while maintaining on-chain verification. **Key features:** - Global stablecoin movement with instant finality - No intermediaries required - Reduced exposure risks - Private yet verifiable transactions This builds on Hinkal's success processing **$270M+ in private volume** across Polygon and Arbitrum networks. **The vision:** Making stablecoins private money by default, enabling confidential capital flows across blockchain rails without compromising transparency.