Wallester is an Estonian-licensed financial institution and official Visa partner since 2018, specialising in digital financial solutions and card issuance. We help companies across the EEA and the UK streamline payments, launch branded cards, and scale efficiently.
What we do:
1️⃣ White-Label Solution with Embedded Finance
Our White-Label solution lets businesses integrate financial services directly into their platforms—known as embedded finance. This enables branded payment cards tailored to specific needs, improving customer experience and opening new revenue streams. We ensure swift time-to-market with simplified integration and dedicated support.
2️⃣ Wallester Business: Corporate Expense Management
Wallester Business modernises corporate expense management with instant access to virtual and physical Visa cards. Through our app and portal, companies can track expenses, analyse budgets, and integrate seamlessly with accounting systems for better financial control.
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Chainstack is a blockchain node platform that powers global Web3 applications across fintech, DeFi, wallets, custodians, gaming, AI agents, trading, and analytics.
Chainstack's core products include Global Node, low-latency RPC endpoints for everyday workloads; Dedicated Node, single-tenant nodes with guaranteed resources for heavy workloads; reliable infrastructure built for trading bots and MEV strategies; and Unlimited Node, an add-on for unmetered request scaling. Together with Chainstack Self-Hosted for teams that need infrastructure on their own premises, these products cover every stage from prototyping to institutional-scale deployment.
Chainstack supports major blockchain networks, including Ethereum, Solana, BNB Chain, Polygon, Hyperliquid, Robinhood Chain, and other EVM-based and non-EVM chains, with elastic (auto-scaling) and dedicated node instances across mainnet and testnet. For Solana-focused trading and MEV operators, Chainstack offers the Yellowstone gRPC Geyser plugin for real-time on-chain data streaming and Jito ShredStream for low-latency transaction propagation.
Deployment options span the public cloud, preferred service providers, or fully self-hosted infrastructure, all managed through a single console with standardized node management across chains and environments. Core infrastructure features include global load-balanced RPC endpoints, blockchain data APIs, node monitoring, and request-unit-based usage tracking, keeping performance predictable and costs transparent as usage grows.
Chainstack offers a free Developer plan alongside paid Growth, Pro, Business, and Enterprise plans, so teams can start building at no cost and scale into preferred infrastructure setup as usage grows.
Teams cut time-to-market, cost, and risk with a single platform for blockchain nodes, whether in the cloud, through a preferred service provider, or self-hosted. Standardized node management across chains and environments puts reliability on autopilot and keeps performance predictable.
Operators get control and transparency, while developers get a consistent way to build and scale. Fintech companies, DeFi protocols, wallets, custodians, trading firms, analytics platforms, and Web3 service providers running fleets use Chainstack as the fastest way to run reliable, predictable blockchain nodes at scale.
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Hydrogen
Embedded Finance Made Simple. Quickly embed financial services in your business using ONE connected no-code platform. Fintech is Hard. We Make it Easy and Embeddable. There are dozens of contracts, approvals, integrations, and workflows needed to build fintech. Luckily, Hydrogen has done all of the hard work for you, saving you 80% of the cost and time! Explore our embedable products: Cards Physical & Virtual Card Issuance. Cards. Issue physical and virtual debit cards with our fully built and configurable embeddable apps. No lockups, minimums, or program setup. Plus, earn revenue on every swipe! Payments ACH, Bank Auth, P2P, Roundups Payments Add ACH, bank auth, P2P, wallets, roundups, and other payments to your business, with our fully built and configurable embeddable apps. Money, Personal & Business, Finance. Add aggregation, accounting, cash flow, and budgeting analytics to your business, with our fully built and configurable embeddable apps.
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