From bfbd50e8cbe2ebf17efda6841dca98553cb75cfd Mon Sep 17 00:00:00 2001
From: Sergio Chouhy <sergio.chouhy@gmail.com>
Date: Fri, 28 Nov 2025 17:09:38 -0300
Subject: [PATCH] add docs

---
 nssa/core/src/program.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nssa/core/src/program.rs b/nssa/core/src/program.rs
index dfd52e4..1028d54 100644
--- a/nssa/core/src/program.rs
+++ b/nssa/core/src/program.rs
@@ -12,6 +12,11 @@ pub struct ProgramInput<T> {
     pub instruction: T,
 }
 
+/// A 32-byte seed used to compute a *Program-Derived AccountId* (PDA).
+///
+/// Each program can derive up to `2^32` unique account IDs by choosing different
+/// seeds. PDAs allow programs to control namespaced account identifiers without
+/// collisions between programs.
 #[derive(Serialize, Deserialize, Clone)]
 #[cfg_attr(any(feature = "host", test), derive(Debug, PartialEq, Eq))]
 pub struct PdaSeed([u8; 32]);