Payments

We started this series with a simple question, “When a ₹100 transfer happens, how do you guarantee it never half-happens”? In our first blog, we explored how Two-Phase Commit (2PC) gave us atomicity but at the cost of freezing systems under failure. In the second, we turned to the Saga Pattern which improved resilience but …

Synthesizing Atomicity and Resilience for the Core Wallet Stack Read More »

The Two-Phase Commit protocol(2PC) has long been the standard for ensuring atomicity across distributed transactions. It guarantees that all participants in a transaction either commit together or abort together, maintaining strict consistency across multiple services. However, this guarantee comes with a significant operational cost : Availability, the indefinite blocking problem. When a transaction coordinator fails …

The Saga Pattern: When Availability Matters More Than Instant Consistency   Read More »

In FinTech, we’re not just shuffling database rows; we’re handling people’s savings, their money, their future. As a result, correctness, reliability, and predictability are essential system requirements. This mandates an uncompromising standard for data integrity, particularly within the core operation of a transaction. The Two-Phase Commit for Financial Transactions: Atomicity Of Money The principle that …

The Atomicity of Money: Implementing the Two-Phase Commit for Critical Financial Transactions Read More »

In today’s digital-first economy, the convenience of card payments has led to a surge in digital commerce. For businesses, this growth presents incredible opportunities, but it also introduces challenges like false declines and lost revenue. If your business relies on a single Payment Service Provider (PSP), you might be missing on potential opportunities. At iServeU, …

Why Does Your Business Need A Multi processor Payment Strategy For Success? Read More »