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substrate

2 articles · Page 1 of 1

Feb 5, 2021 · Blockchain

Polkadot Overview: Architecture, Relay Chain, Parachains, Transaction Lifecycle, and NPoS Mechanism

This article explains Polkadot's cross‑chain solution by describing its relay‑chain and parachain architecture, the five‑stage transaction lifecycle, the nominated proof‑of‑stake (NPoS) validator selection process, and the growing ecosystem that enables interoperable blockchain applications.

NPoSParachainsPolkadot

0 likes · 12 min read

Polkadot Overview: Architecture, Relay Chain, Parachains, Transaction Lifecycle, and NPoS Mechanism

Tongcheng Travel Technology Center

Oct 30, 2017 · Fundamentals

Crash Analysis of Inline Hook Implementation with Substrate on ARM Thumb

This article examines why an inline hook created with Substrate on ARM Thumb crashes, detailing the hook mechanism, the offending PC‑relative ADR instruction, and the necessary instruction fixes to prevent control‑flow errors.

ArmThumbcrash-analysis

0 likes · 5 min read