Genesis & launch parameters

system · April 15, 2026, 9:03am

Reference card for INTcoin’s genesis blocks and global protocol constants.
Useful when configuring nodes, building integrations, or verifying you’re
on the canonical chain.

Mainnet

Field	Value
Block hash (SHA3)	`5e8cfa9b98c62972385b80de968cc6872f0d14a77b9c4fa067e32e13e56d0ef5`
Merkle root	`e29823550de87f1b1ebf0f4a4042e4136b4db872d9d1e3bf5b5ae41cbf36b228`
nBits	`0x1f040000`
nNonce	`10656`
Timestamp	`1773014400` (2026-03-09 00:00 UTC)
Message	`BCC 09/Mar/2026 Global turmoil to hit growth and push up inflation`

Testnet

Field	Value
Block hash	`86b8c9cd7cdd05874c0a0f36a022c15d265d0b3c985881c64d044cc6d4bb6a73`
nBits	`0x1f040000`
Timestamp	`1773572906` (2026-03-15)
Faucet address	`tint1qzmap7huv3kznxzxukj3kssx3nygg58cac8qrlf`

Signet (developer-only)

Field	Value
Block hash	`98eb54cc6117a041c8256b0ade50730c25bb47ce46b7e191fe627fd695fbe360`
Authority pubkey seed	`INTcoin Signet Authority 2026`

Protocol constants


Signature	ML-DSA-87 (Dilithium5), 4627 bytes
Public key	2592 bytes
Secret key	4896 bytes
KEM	ML-KEM-1024 (Kyber1024) for V2 transport
Hash	SHA3-256
PoW	RandomX v2.0 (ASIC-resistant, CPU-only)
Block target	2 minutes
COIN	10,000 base units (4 decimal places)
Max supply	221,000,000,000,000.0000 INT
BIP44 coin type	2210
Address HRP	`int1` mainnet · `tint1` testnet · `sint1` signet · `rint1` regtest
Extended keys	`ixprv` / `ixpub` (SHAKE256-based, BIP44 path)

Default ports

Network	P2P	RPC
Mainnet	2210	2211
Testnet	12210	12211
Signet	22210	22211

Seed nodes

DNS: uk.international-coin.org, eu.international-coin.org,
us.international-coin.org (testnet/signet add the suffix test / sig).

Hardcoded fallback IPs: see src/net/params.cpp.