BIP39 seed phrases: what they are and why the checksum matters
A practical explanation of entropy, mnemonic words, checksums and derivation without exposing or collecting real seed phrases.
Lire en anglais →Notes techniques pratiques
Documentation et explications originales basées sur les logiciels et infrastructures que nous développons et utilisons.
CUDA vs OpenCL for compute workloads
How the two GPU compute ecosystems differ, and why benchmarking the actual workload matters more than gaming benchmarks.
Lire en anglais →SQLite vs PostgreSQL for small business software
When a local file database is ideal and when a central client/server database becomes the safer choice.
Lire en anglais →Running DBRepairs with Docker and TrueNAS
Architecture, persistence, backups and safe update practices for the DBRepairs server edition.
Lire en anglais →A practical 3-2-1 backup strategy for small workshops
How to combine application backups, host snapshots and off-site copies without making recovery complicated.
Lire en anglais →Public cryptographic puzzles and distributed computing
What public key-search puzzles are, how coordinated work avoids duplication, and why realistic probability matters.
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