Dev Tools · 2h ago
Solana Dev Shares Hands-On Guide to CPIs and PDA Signers
A developer documents building Solana programs that use cross-program invocations (CPIs) and PDA signers. CPIs let one program call another, while PDA signers allow programs to authorize actions without a private key. The post explains both cases with code examples and emphasizes atomic rollback on failure.
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A practical, code-first explainer that demystifies Solana's authorization model for backend developers new to blockchain programming.
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CPIs and PDA Signers: What I Built and What Actually Clicked →
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