A year-end retrospective of The Payments Engineer Playbook newsletter, highlighting its transition to paid content and growth to nearly 2,000 subscribers. The author shares the three most popular articles of 2025, covering payment system failure points, daily deployment practices, and Raft consensus. Top paid articles addressed payment method taxonomy, database switching strategies, and ledger consistency models. The newsletter published 50 articles focused on building money software, with topics spanning databases, event sourcing, orchestration, and ledgers.
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