Bitflash: fair-launch release

Satoshi's bitcoin-0.1.0 reborn with RandomX CPU proof of work, anonymous .btf
addressing over Nostr with CGNAT rendezvous, automatic peer discovery, a
headless Linux node, and Windows GUI wallet. Fair launch, no premine, 21M cap.

1 files changed, 54 insertions, 0 deletions

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+Bitflash (BTF) v0.1 ALPHA
+=========================
+
+A revival of Satoshi Nakamoto's original Bitcoin v0.1 client (2009), ported to
+a modern toolchain and turned into its own Layer 1 network.
+
+Philosophy: fair launch, no pre-mine, no ICO. One CPU, one vote.
+
+Based on code Copyright (c) 2009 Satoshi Nakamoto.
+Copyright (c) 2026 The Bitflash developers.
+Distributed under the MIT/X11 software license, see the accompanying
+file license.txt or http://www.opensource.org/licenses/mit-license.php.
+This product includes software developed by the OpenSSL Project.
+
+
+Differences from the original Bitcoin
+-------------------------------------
+- Own genesis block (22/Jul/2026 headline, independent chain)
+- Own magic bytes (0xbf 0x1a 0x5c 0xfd) and P2P port 8433
+- Addresses start with "B" (ADDRESSVERSION = 25)
+- Consensus fixes applied: value overflow (CVE-2010-5139), duplicate inputs,
+  money range checks (MoneyRange)
+- IRC peer discovery replaced by Nostr relay discovery
+- Memory-hard Proof of Work (RandomX, CPU + RAM) instead of SHA-256d
+- Economics identical to Bitcoin: 50 BTF/block, halving every 210,000 blocks,
+  21 million total
+
+
+Build (Windows, MSYS2 UCRT64)
+-----------------------------
+Modern toolchain:
+  g++ 16 (MinGW-w64 UCRT), wxWidgets 3.2, OpenSSL 3, Berkeley DB 6, Boost,
+  libsecp256k1 (Schnorr), nlohmann/json, RandomX
+
+Bundled dependencies are built from source into ../deps and ../RandomX.
+In the MSYS2 UCRT64 shell:
+  bash build.sh          (uses src/makefile.mingw)
+
+The resulting executable is src/bitflash.exe.
+
+
+Command-line options (in addition to the original ones)
+-------------------------------------------------------
+  /port=N        listen on P2P port N (default 8433)
+  /solomine      mine without requiring a connected peer (local testing)
+
+
+Roadmap
+-------
+Milestone 0  Compile the original client on a modern toolchain   [done]
+Milestone 1  Bitflash identity + genesis + consensus fixes       [done]
+Milestone 2  Peer discovery over Nostr relays                    [done]
+Milestone 3  Memory-hard PoW (RandomX) instead of SHA-256d       [done]
+Milestone 4  Public testnet