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Privacy Track Season One: open with Silent Payments, new labs, review-first - #2
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- New 12-session season (SESSIONS.md) opening with a 3-session Silent Payments arc: build a sender, build a scanner + indexer trade-offs, then a Review Club on the Bitcoin Core / libsecp256k1 SP PRs. Adds ecash (S11), folds ASmap into a network session built on Core 31 (-privatebroadcast, embedded asmap), pairs CoinJoin with OpenSwap. - New labs/silent-payments: dependency-free Python sender/scanner exercises graded against the official 28 BIP352 test vectors, with reference solutions (28/28 both sides) and a scanning benchmark. Replaces the old SP exercises, which serialized the shared secret as x-only and matched outputs by position (both contrary to BIP352). - Align with the Privacy Contributor Program: review-first, proof of work instead of PR/comment counts, nothing posted upstream on a timer. - Issue pool populated with verified-open targets (BUILD vs TEST). - Remove five layers of legacy material (duplicate module-*/phase-* dirs, graded facilitator guide, capstone); keep the three labs that run cleanly under labs/. Fix glossary errors (dust limits, Core coin selection, OpenSwap), per-session reading list with verified links. - Root README: list the Privacy Track in programs and learning path. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This was referenced Sep 26, 2026
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…links Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
S8 guide and session text reflect that Core 31's -privatebroadcast applies to sendrawtransaction only, not wallet sends. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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What this does
Revamps
privacy-track/into one coherent Season One that opens with Silent Payments, and clears out five layers of earlier rewrites.New season (SESSIONS.md)
-privatebroadcast, ASmap (Core 31)Why now: Core merged BIP352 core logic on 2026-09-23 (#35301), libsecp256k1 v0.8.0 ships
silentpayments, and sending/receiving (#35302, #32966) are in review.New Silent Payments lab (
labs/silent-payments/)send.py(5 exercises) andreceive.py(3 + 2 stretch)run_vectors.pygrades against the official 28 BIP352 test vectors and points at the failing exercise--solution), and the vectors are byte-identical to bitcoin/bips@c2ac36fscan_benchmark.pyfor the "why do indexers exist?" discussionAligned with the Privacy Contributor Program
Removed / fixed
module-*andphase-*dirs (byte-identical scripts), the old graded facilitator guide, and the capstone. Git history keeps themPlease check
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