A practical deep dive into Spanning Tree Protocol and RSTP on Cisco IOS-XE. Covers root bridge election, PortFast, BPDU Guard, Root Guard, Loop Guard, Bridge Assurance, TCN storm troubleshooting, and Catalyst 9000 gotchas with real show command output.
A sharp technical breakdown of how ZK-rollups work, where the major zkEVMs stand in 2026, what it actually costs to transact on each, and why this matters for every serious DeFi participant.
A technical deep dive into zero-knowledge proofs — what SNARKs and STARKs are, how they differ, and why they’re now the backbone of blockchain scaling, privacy, and DeFi compliance in 2026.
A clear breakdown of Ethereum Layer 2 solutions — how rollups work, and a deep dive into Arbitrum, Optimism, and Base.
