[ANN][KV5] KVANTA5 — Post-Quantum SHA256d PoW | ML-DSA-87 | NIST FIPS 204

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░░░ K V A N T A 5 [KV5] ░░░
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Institutional-grade quantum-resistant settlement chain built on the 2024 NIST standard.

[ WEBSITE ] https://www.kvanta5.org/
[ EXPLORER ] https://kvanta5.live/
[ GITHUB ] https://github.com/Kvanta-Organization/Kvanta5-Core
[ DISCORD ] https://discord.gg/qmVwkcU5ju
[ REDDIT ] https://www.reddit.com/r/Kvanta5/
[ X / TWITTER ] https://x.com/Kvanta5_QR

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WHAT IS KVANTA5?
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KVANTA5 is a proof-of-work blockchain built from a blank page to be quantum-resistant from genesis. Not a fork. Not an upgrade path. Not a testnet. A live mainnet where every transaction ever confirmed — from block 1 — carries an ML-DSA-87 signature under NIST FIPS 204 (2024), the highest security level of the most recently finalized post-quantum signature standard.

No ECDSA key exists anywhere in the KV5 signing path. Not at broadcast, not historically, not retroactively. This is the property that distinguishes KV5 from Bitcoin + BIP-360 (which cannot address historically exposed keys), from QRL Zond (still migrating), and from QANX (no public mainnet).

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COIN SPECIFICATIONS
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Ticker	KV5
Algorithm	SHA-256d (Proof of Work)
Signature scheme	ML-DSA-87 — NIST FIPS 204, Level 5 (2024)
Max supply	231,000,000 KV5
Mineable emission	210,000,000 KV5
Dev fund	21,000,000 KV5 — consensus-enforced, time-locked
Block reward	50 KV5
Halving interval	2,100,000 blocks (~4 years)
Block target	60 seconds
Max block size	32 MB (V2_FRAGMENT propagation protocol)
Difficulty	DGW — 24-block rolling window, ±300% cap
P2P port	55555
RPC port	12345
Mainnet launch	June 1, 2026
Premine	None
ICO	None

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ADDRESS TYPES
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kvqr1... — Native P2QR address. ML-DSA-87 signature, quantum-resistant from day one.
3... — Wrapped P2SH address. Mining pool and legacy software compatibility.

P2QR (Pay-to-Quantum-Resistant) is KV5's native address format, designed for the post-quantum era. The committed program hash binds the public key to the output at creation time — the pubkey is only revealed at spend, and is verified directly against ML-DSA-87 by every full node.

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GENESIS BLOCK
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Code:

Hash:   000000003c69677f45b71857da76bc03a83f29d6dbda058b52c9a628ff219e58
Time:   June 1, 2026
nNonce: 637,233,537
Merkle: cb7c25a5ee9c09a629e49d49f2c04d56b64c3f99b92a8df194ddd272bfb9e721

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VERIFIED ON-CHAIN MILESTONES
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All milestones verifiable at https://kvanta5.live

Block #283 — First non-coinbase P2QR spend on any live PoW mainnet.
TXID: `62572d2127da3d42afb0b20757edb844b0820851f4d8340cbc7e26954ae6272c`

Block #3102 — 12-input P2QR vault consolidation. Multisig spend path validated.

Block #21797 — 1 → 4,001 P2QR output fanout. 179,323 bytes.
TXID `804b8e7bcea43dbaebe62078f5f28e2df26ceb77a828102c231d598f5634e255`

Block #21798 — 4,000 P2QR inputs → 1 output. ~29 MB block.
First live production proof of the KVANTA5_V2_FRAGMENT protocol.
TXID `9d24c8669da9bcccf05b3eee6cf80a210873ed4a8b5d408da29c64a13c02dbca`

Block #24521 — 715,001 P2QR outputs in a single transaction. ~29.34 MB block.
World's largest known post-quantum signed UTXO transaction on any live proof-of-work chain.
Construction time: ~1.15 hours. Each P2QR input: ~7,268 bytes vs ~108 bytes for P2WPKH.
TXID `abb67b2c05c965080cc19b6d4dcf23d501888e1d87bf4cf4122a50bcee2e6cf8`

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THE DEV FUND — WHAT IT'S FOR
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KV5's 21,000,000 KV5 dev fund is not a team enrichment vehicle. It is a protocol sustainability mechanism with a specific allocation:

40% (8,400,000 KV5) — Core protocol development
25% (5,250,000 KV5) — Third-party security audits
20% (4,200,000 KV5) — Infrastructure
15% (3,150,000 KV5) — Legal and compliance

The 21 tranches are hardcoded as P2QR program hashes in src/consensus/devfund.h and enforced by Kvanta5DevFundCoinbaseIsExpected() — called by every full node at block 1. Any miner producing a non-conforming block 1 is rejected by the network. The time-lock interval is 262,800 blocks (~6 months). Full vesting takes ~10 years.

This is not a promise. It is consensus code. The blockchain enforces it.

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TECHNICAL ARCHITECTURE
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ML-DSA-87 implementation: Official pqcrystals CRYSTALS-Dilithium reference, compiled with DILITHIUM_MODE=5 hardcoded in CMake — not a runtime flag. DILITHIUM_RANDOMIZED_SIGNING enabled. Key generation uses GetStrongRandBytes() with a sign+verify self-test on every newly created key.

P2QR consensus: CheckSignatureAndProgram() verifies pubkey-to-program hash binding before MLDSA87Verify() is called. Prevents pubkey substitution attacks. Both single-sig and multisig spend formats supported. The newer signer-program multisig format reveals approving pubkeys only at spend time.

KVANTA5_V2_FRAGMENT: Custom P2P fragmentation layer splitting blocks up to 32 MB into 8 MB chunks for reassembly before validation. 5-fragment maximum enforced by compile-time static_assert. Proven in production at block #21798 (29 MB) and block #24521 (29.34 MB).

DGW difficulty: 24-block rolling window, ±300% per-block cap. Validated on Testnet5 against a 125× hashrate cliff (1 PH/s to 8 TH/s). Full organic recovery in ~24 hours with zero developer intervention.

Network layer: BIP324 encrypted P2P transport throughout.

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MINING
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KV5 uses SHA-256d — compatible with any standard SHA-256d miner.

Code:

stratum+tcp://<pool-address>:<port>
Username: your KV5 address (kvqr1... or 3...)
Password: x

Pool: CKPool

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DOWNLOADS
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GitHub: https://github.com/Kvanta-Organization/Kvanta5-Core

[th]Platform[/th][th]Download[/th]
Windows Qt Wallet	Kvanta5-1.0.0-Windows-Qt-x86_64.zip
Windows CLI	Kvanta5-1.0.0-Windows-x86_64.zip
Linux Qt Wallet	Kvanta5-1.0.0-Linux-Qt-x86_64.tar.gz
Linux CLI	Kvanta5-1.0.0-Linux-x86_64.tar.gz

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QUICK START (LINUX)
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Code:

tar -xzf Kvanta5-1.0.0-Linux-x86_64.tar.gz
cd Kvanta5-1.0.0-Linux
./kvanta5d -daemon -addnode=<seednode>:55555
./kvanta5-cli getblockchaininfo

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ROADMAP
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Phase 1 — Foundation ✅ Complete
Genesis block, live mainnet, Qt wallet, P2QR addresses, explorer (kvanta5.live), website (kvanta5.org), Technical Thesis published, competitive audit of all live PQ chains completed.

Phase 2 — Trust Infrastructure (Active)
Third-party security audit contract, PQCA membership application, legal entity formation, NonKYC listing, CoinGecko/CMC listing.

Phase 3 — Market Presence
MEXC self-listing, Chainalysis integration, ElectrumX, web wallet, Umbrel pool app, mid-tier CEX listings.

Phase 4 — Institutional
Ledger hardware wallet integration, Galaxy Digital research outreach, Fireblocks/Anchorage integration conversations, Tier 1 exchange listings.

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COMMUNITY
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Website: https://www.kvanta5.org/
Explorer: https://kvanta5.live/
GitHub: https://github.com/Kvanta-Organization/Kvanta5-Core
Discord: https://discord.gg/qmVwkcU5ju
Reddit: https://www.reddit.com/r/Kvanta5/
Twitter: https://x.com/Kvanta5_QR

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KVANTA5 — The original. Mainnet since June 1, 2026.
ML-DSA-87 · NIST FIPS 204 · SHA-256d PoW · 32 MB · V2_FRAGMENT