Polygon and Helium
Polygon is a Layer 2 Ethereum scaling solution that boosts transaction speed and reduces costs using Plasma Chains, zk-Rollups, and Optimistic Rollups. Meanwhile, Helium provides decentralized wireless connectivity for Internet of Things devices using a unique Proof-of-Coverage consensus mechanism to verify network coverage and ensure integrity.
Solana vs Avalanche
A deep dive comparison between the an alternative to Ethereum and two of the most promising blockchains: Solana and Avalanche.