Dijkstra vs Bellman-Ford — Two Ways to Compute Shortest Paths

Dijkstra and Bellman-Ford both relax edges to find shortest paths. They differ in negative weights, complexity, cycle detection and routing use.

2026, Oct 05   —  21 minute read

The CCM Mode of Operation (NIST SP 800-38C): Counter Mode with CBC-MAC

How CCM (NIST SP 800-38C) combines CBC-MAC and counter mode under one AES key: B0 formatting, counter blocks, MAC length bounds and nonce rules.

2026, Oct 05   —  30 minute read

Zama and Post-Quantum Cryptography: Everything Is Lattice-Based Except One Pairing

Which parts of the Zama protocol resist a quantum adversary and which do not: TFHE and the threshold MPC stand on lattices and information theory, ML-KEM already ships in production, and the gap is one pairing-based proof plus the host chain's signatures.

2026, Oct 02   —  15 minute read

Noah's Ark: Threshold FHE by Noise Flooding, and What Zama Actually Shipped

Reading eprint 2023/815 against zama-ai/threshold-fhe: the Switch-n-Squash trick, the two-uniform flooding analysis, and six places where the Rust implementation and the paper do not say the same thing.

2026, Oct 02   —  15 minute read

Tokenised Money Market Funds in the EU — What Regulation 2017/1131 Requires of an On-Chain Share Class

Why a tokenised EU money market fund falls under the MMF Regulation, not MiCA, and how dealing price, gates, holder checks and the support ban apply to it.

2026, Oct 01   —  23 minute read

Tendermint — BFT Consensus over Gossip, Locks and the validValue Termination Mechanism

How Tendermint decides a block in propose, prevote and precommit steps, locks values for safety, and terminates through validValue and gossip.

2026, Oct 01   —  24 minute read

LVNAV Funds Under Stress — Amortised Cost, the 20 bp Price Band and the Article 34 Liquidity Tools

How EU LVNAV money market funds keep a stable price, how the 10 bp, 20 bp and 30 % rules behaved in 2020 and 2022, and what the 2023 and 2026 reviews concluded.

2026, Oct 01   —  21 minute read