Quantum-Safe Signatures
ML-DSA-65 (CRYSTALS-Dilithium, NIST FIPS 204, security category 3) signatures via P2MR outputs (BIP 360, SegWit witness v2) with bech32m pwdh1z… addresses. Classic ECDSA/Schnorr types remain available.
Quantum-Secure
Proof-of-Work
PowerHash (PWDH) is a community-driven, open-source cryptocurrency that combines proven SHA-256d Proof-of-Work with NIST-standardized post-quantum signatures (ML-DSA, FIPS 204).
PWDH = Proof-of-Work Double Hash — named for the SHA-256d double-hash at the heart of its ASIC-friendly mining.
Testnet is live — mainnet launch in preparation
Built for the post-quantum era
PowerHash is built on the battle-tested Bitcoin Core 26.x codebase, extended with post-quantum transaction signatures while keeping the battle-tested Bitcoin consensus engine.
SHA-256d Mining
Proof-of-Work with double SHA-256. Existing SHA-256 ASIC hardware is fully compatible — no new mining equipment required.
60-Second Blocks
One-minute target block interval with per-block LWMA difficulty adjustment for responsive, stable block times.
21 Million Cap
Fixed maximum supply of 21,000,000 PWDH. 5 PWDH initial block reward, halving every 2,100,000 blocks (~4 years), emitted over ~131 years.
SegWit + Taproot
SegWit, Taproot, CSV and CLTV are active from genesis. The 8 MWU block weight accommodates larger post-quantum signatures.
No Premine, Fair Launch
Open source under the MIT license. No premine, no founder allocation — a fair launch by a community that has been together since 1998.
Technical specifications
The core consensus and network parameters at a glance.
| Parameter | Value |
|---|---|
| Name / Ticker | PowerHash / PWDH (= Proof-of-Work Double Hash) |
| Codebase | Bitcoin Core 26.x codebase (MIT License) |
| Consensus | Proof-of-Work, SHA-256d (ASIC-compatible) |
| Block interval | 60 seconds |
| Difficulty adjustment | LWMA, per block |
| Initial block reward | 5 PWDH |
| Halving interval | Every 2,100,000 blocks (~4 years) |
| Maximum supply | 21,000,000 PWDH (~131 years of emission) |
| Block weight | 16 MWU / 16 MB (WITNESS_SCALE_FACTOR 16) |
| Quantum-safe signatures | ML-DSA-65 (CRYSTALS-Dilithium, NIST FIPS 204, category 3) via P2MR / BIP 360 |
| Address types | Legacy, P2SH-SegWit, bech32, bech32m (Taproot), bech32m P2MR (pwdh1z…) |
| Active from genesis | SegWit, Taproot, CSV, CLTV |
| Mainnet ports | P2P 1998 / RPC 1999 |
| Testnet ports | P2P 11998 / RPC 11999 |
| DNS seed | seed.powerhash.org |
Getting started
Run a full node or start mining on the testnet. The software stack mirrors
Bitcoin Core: powerhashd, powerhash-cli and the
powerhash-qt GUI wallet for Windows and Linux.
1 Download & run a node
Get the latest release from powerhash.org, then start the daemon or the Qt wallet. The node connects to the network via the DNS seed automatically.
# Start the daemon (mainnet)
powerhashd -daemon
# Or on the live testnet
powerhashd -testnet -daemon2 Configure powerhash.conf
Minimal configuration example for a mainnet node with RPC access:
# powerhash.conf
server=1
listen=1
port=1998
rpcport=1999
rpcuser=<your-user>
rpcpassword=<strong-password>
addnode=seed.powerhash.org3 Create a quantum-safe address
P2MR is the default address type in the Qt receive dialog (Vault Manager). Via RPC:
powerhash-cli getnewaddress "" "p2mr"
# or explicitly
powerhash-cli getnewdilithiumaddress4 Mine with SHA-256 hardware
Point any standard SHA-256d miner or mining proxy at your node's RPC interface (port 1999 mainnet / 11999 testnet) — existing ASICs work out of the box.
# Generate blocks locally (testnet)
powerhash-cli -testnet generatetoaddress 1 <address>Roadmap
Where the project stands and where it is heading.
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Testnet live Done
Public testnet is running with full P2MR / ML-DSA support. Genesis message: “PWDH Community forever since 1998”.
-
Mainnet launch In preparation
Final testing and review of the consensus and wallet stack ahead of the fair-launch mainnet.
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Block explorer Planned
Public block explorer and network statistics for the PowerHash chain.
-
Additional PQ schemes Planned
Evaluation and integration of further NIST-standardized signature schemes, including SLH-DSA (FIPS 205).