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anchor-pdas

Derive Solana PDAs with seeds and bumps for program signing.

1|Updated Feb 4, 2026
Search Tags:#accounts#bump#anchor#solana#seeds#pdas#program-signing
One-click install
npx skills add https://github.com/faremeter/flex --skill anchor-pdas
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: anchor-pdas
Source: https://github.com/faremeter/flex/tree/main/skills/anchor-pdas
Command: npx skills add https://github.com/faremeter/flex --skill anchor-pdas

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

PDAs allow deterministic address derivation and program signing in Solana programs, enabling secure, scalable relationships between accounts without relying on off-chain state.

Core Features & Use Cases

  • PDA derivation patterns for deterministic accounts using seeds and bumps
  • Hashmap-like structures and nested relationships driven by PDAs
  • Programs as signers for cross-program invocations in secure workflows

Quick Start

Derive a PDA for a user and use it to sign a CPI with the stored bump in your program.

Frequently Asked Questions about anchor-pdas

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I derive deterministic Solana PDAs for secure accounts?▼

Solana PDAs are derived deterministically using seeds and bump seeds to generate secure account addresses without private keys. This approach enables scalable on-chain account relationships by relying on deterministic address generation instead of off-chain state.

What is a canonical bump and why should I store it for PDA re-derivation?▼

A canonical bump is the highest valid bump seed for a PDA. Storing the canonical bump on-chain ensures deterministic re-derivation of the same PDA address, avoiding repeated brute-force searches and optimizing account validation efficiency.

How do I use a PDA as a signer for cross-program invocations in Solana?▼

Programs sign cross-program invocations (CPIs) using PDAs by passing the PDA seeds and bump to the invoking instruction. This allows the program to authorize transactions securely without requiring a traditional private key signature.

Can I create nested PDA relationships for hashmap-like account structures?▼

Yes, nested PDA relationships can be created by chaining seeds to build hashmap-like account structures. This pattern allows deterministic derivation of multi-account mappings and hierarchical relationships between accounts in Solana programs.

What is the best way to handle multi-account mappings using Solana PDAs?▼

The best way to handle multi-account mappings is using deterministic PDA derivation with defined seeds for each account relationship. This enables consistent address generation and secure program signing across complex account structures.

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