Fixes Point 8 — private note discovery is O(n) trial-decrypt.
ITZLI — Obsidian Mirror tagging for Aleph Zero Common (Port of Aztec V5 to Frontier 1621):
ECDH(sk_s, pk_r) → k = KDF(shared, pk_r, pk_s) → tag = Poseidon2(k, counter) 16-windowMapping<Tag, Vec<NoteLog>> + get_logs_by_tag / get_paginated / batch_get_logs (PIR-ready)- Caps
2048/64/1M + BTreeMap determinism, no Halo2 MerklePath touch
Bench 2026-08-31 live:
itzli-node 18232 100k: 5 ms tag vs 1000 ms legacy → 200× (10k: 5 ms vs 100 ms → 20×)e2e-demo 10k in-mem: 14 µs, 10000× fewer decryptions- WASM
7.3K ink!5.1 code_hash 0x71806a… contract 5GheSZZSzcQEwsWuRKdt3xhy9d7QG5WysjMzb4QApVjXGob6 on substrate-contracts-node 9945 (aleph-node 15.2.0 testnet has no pallet-contracts, 1:1 proxy)
Repo: https://github.com/benoirczar-ml/ITZLI
Spec: https://github.com/benoirczar-ml/ITZLI/blob/main/docs/03-spec-tag-derivation.md
Benchmark: https://github.com/benoirczar-ml/ITZLI/blob/main/docs/04-benchmark.md
Contact: Jaroslaw Kata katajaroslaw57@gmail.com (also itzli@alephzero.common) — applying as Common core dev for shielded pool. This repo is the PR. Not a fork.
Fixes Point 8 — private note discovery is O(n) trial-decrypt.
ITZLI — Obsidian Mirror tagging for Aleph Zero Common (Port of Aztec V5 to Frontier 1621):
ECDH(sk_s, pk_r) → k = KDF(shared, pk_r, pk_s)→tag = Poseidon2(k, counter)16-windowMapping<Tag, Vec<NoteLog>>+get_logs_by_tag/get_paginated/batch_get_logs(PIR-ready)2048/64/1M+BTreeMapdeterminism, noHalo2 MerklePathtouchBench 2026-08-31 live:
itzli-node 18232100k: 5 ms tag vs 1000 ms legacy → 200× (10k: 5 ms vs 100 ms → 20×)e2e-demo10k in-mem: 14 µs, 10000× fewer decryptions7.3Kink!5.1code_hash 0x71806a…contract 5GheSZZSzcQEwsWuRKdt3xhy9d7QG5WysjMzb4QApVjXGob6onsubstrate-contracts-node 9945(aleph-node 15.2.0 testnet has no pallet-contracts, 1:1 proxy)Repo: https://github.com/benoirczar-ml/ITZLI
Spec: https://github.com/benoirczar-ml/ITZLI/blob/main/docs/03-spec-tag-derivation.md
Benchmark: https://github.com/benoirczar-ml/ITZLI/blob/main/docs/04-benchmark.md
Contact: Jaroslaw Kata katajaroslaw57@gmail.com (also
itzli@alephzero.common) — applying as Common core dev for shielded pool. This repo is the PR. Not a fork.