web3.js v1.x to v4.x Provider Handover and Transaction State Persistence
Integration Boundary: Legacy and Modern web3.js Providers Migrating a client-side application from web3.js v1.x to v4.x involves significant API shifts, specifically moving from callback-based patterns to Promise-based architectures. To avoid downtime, a strategy involving a dual-bundle or a runtime compatibility layer is required to bridge the transition. A
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