Layer 1 · Live on testnet

A precious
Layer 1.

MARBLE is a fast Layer 1 secured by Proof of History and BFT — near-zero fees, a full stack from wallet to node, and money that just moves.

Live slot
~400ms
Finality
0fee
Tx cost · testnet
PoH+BFT
Consensus
MARBLE
Proof of History · BFT finality · Near-zero fees · MUSD & MEUR stablecoins · Solana bridge · On-chain explorer · Token factory · Proof of History · BFT finality · Near-zero fees · MUSD & MEUR stablecoins · Solana bridge · On-chain explorer · Token factory ·
Why MARBLE

Built like a precious thing —
fast, lean, and whole.

01

Fast

Proof of History orders time without waiting on the network, so blocks finalize in around 400 ms.

02

Lean

Near-zero fees by design. The cost stays with the user, never the apps building on top.

03

Whole

Wallet, swap, bridge, explorer and launchpad — one coherent stack, not scattered tools.

04

Secure

Byzantine Fault Tolerance gives every finalized block hard guarantees, on top of PoH speed.

Under the hood

Time, proven.
Blocks, final.

A hybrid engine: Proof of History clocks the chain so order is provable before anyone votes — then a stake-weighted BFT layer makes each block final.

Proof of History

A blake3 + sha512 verifiable delay function hashes continuously, stamping a provable order of time — no waiting on the network to agree on clocks.

Hash functionblake3 + sha512 (VDF · 96-byte)
Ticks per slot160
Hashes per tick12,500
Hashes per slot≈ 2,000,000
Genesisblake3+sha512("MARBLE_GENESIS…V1")
🛡

Tower-style BFT

Stake-weighted validators vote on every slot. A block is final once two-thirds of stake agrees; double-voting is slashable.

Finality quorum2/3 of stake
Slot duration400 ms
Min validators4
Leader schedule432,000 slots (~2 days)
Block capacity50,000 tx

~400ms

per slot & finality

2/3

stake to finalize

2,000,000

PoH hashes / slot

50,000

tx / block

Money on MARBLE

A dollar and a euro,
native to the chain.

MUSD and MEUR track the real world 1:1 — quoted from live FX, settled on MARBLE.

$
MUSD
Marble Dollar · pegged 1:1 USD
$1.00
per MUSD
MEUR
Marble Euro · pegged 1:1 EUR
€1.00
per MEUR
Cross-chain

Come in
from Solana.

Hold SOL? Bridge it into MARBLE with your Solflare or Phantom wallet, priced at the live SOL → MARBLE rate. The fee stays with you; nothing is taken by the network.

Solana
1 SOL
💎 MARBLE
≈ —

Live rate · CoinGecko + network price

# Talk to MARBLE over JSON-RPC
curl -s /api/rpc \
  -d '{"method":"getSlot"}'

# → live slot, ~400ms blocks
ws = new WebSocket("/rpc/ws")
For builders

Build on
MARBLE.

A familiar JSON-RPC and WebSocket surface, an open node, a faucet, and docs — everything you need to ship a dapp on a fast Layer 1.

Play now

Build your empire.

Social Empires runs in modern browsers through Ruffle. Unlock lifetime access for €1 with secure SumUp checkout.