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● Mainnet Live  ·  Chain ID 4189  ·  EVM Compatible  ·  GMAChain v1.0

GMAChain

EVM-compatible Layer-1 blockchain with Proof of Authority consensus.
1-second finality. 100,000,000 GMA. Fixed supply. Zero inflation. Forever.

Explore Architecture Add to MetaMask →
— Block Height
100,000,000 Max Supply
1s Block Time
4189 Chain ID
PoA Consensus
Live
—
Latest Block
Live
...
GMA Circulating
Fixed
100,000,000
GMA Max Supply
Constant
~1s
Block Time
Fixed
18
Token Decimals
Architecture
How GMAChain Works
Consensus
Proof of Authority
Blocks are produced by a trusted validator set. Deterministic finality on every block — no forks, no reorgs, no uncle blocks. Validators are known and accountable.
Block Production
1s · 4,700 tx/block
A new block is produced every 1 second with a capacity of 4,700 transactions. Transactions reach finality the moment they land in a block — no waiting for confirmations.
Supply Model
Hard Cap · No Inflation
100,000,000 GMA total. Enforced at consensus — a SupplyCapError is raised if any operation would exceed the cap. No governance can override it. No new minting after genesis.
Identity Layer
Custodial · Telegram Native
User addresses derived via HMAC-SHA256 from Telegram user IDs. No seed phrases, no MetaMask. The platform signs transactions on behalf of users — Telegram is the wallet.
State Storage
SQLite · WAL Mode
Chain state persisted in SQLite with Write-Ahead Logging. Tables: accounts, balances, pools, LP positions, tokens, blocks, transactions, chain_state.
RPC Interface
Ethereum JSON-RPC · EIP-1474
Full Ethereum-compatible JSON-RPC at api.gmachain.xyz. Works with any EVM tool — MetaMask, ethers.js, wagmi, Hardhat, Foundry. No custom SDK needed — standard eth_* methods.
Ecosystem
Built on GMAChain

GMAChain is a platform. TGX is the first application built natively on it — the Telegraphic Exchange, a DEX embedded at the chain's execution layer rather than deployed as a smart contract.

Because TGX is part of the chain itself, swaps are processed at block validation time. There are no contract addresses to audit, no proxy patterns, no upgrade keys. The exchange logic is identical across every node that runs GMAChain.

Future applications — a block explorer, a token registry, a Telegram payment rail — follow the same model: native to the chain, not layered on top of it.

TGX PHASE 2 — NEXT

The Telegraphic Exchange — GMAChain's native AMM. Constant product pricing (x×y=k). Swap tokens, provide liquidity, and earn passive income directly from Telegram. No wallet. No gas.

2%
Swap fee
0.5%
Holder reward per swap
x·y=k
Pricing formula
None
Wallet required
Learn about TGX →
Tokenomics
GMA Supply — 100,000,000
100M Fixed Supply
AllocationGMA%Purpose
TGX Liquidity Rewards 40,000,00040% LP and trader incentives
Community / Airdrop 20,000,00020% Early adopters, growth
Team / Development 15,000,00015% Compensation, infrastructure
Ecosystem Reserve 15,000,00015% Partnerships, listings
Validator Pool 10,000,00010% Block production rewards
Total 100,000,000100% Hard cap · no new minting
Hard cap enforced at the consensus layer — a SupplyCapError is raised if any block operation would exceed 100,000,000 GMA. Validator rewards are drawn from the pre-allocated 10M pool. No new GMA is created after genesis.
Roadmap
Development Phases
Phase 01
Live
Genesis & Infrastructure
  • GMAChain mainnet on VPS
  • gmachain.xyz + SSL + nginx
  • PM2 process management
  • FastAPI RPC — api.gmachain.xyz
  • Genesis block — 100M GMA minted
Phase 02
Live
TGX + Telegram Bot
  • Telegram trading bot
  • GMA/USDT genesis pool
  • Swap, LP, holder rewards live
  • USDT deposit & withdrawal (BSC)
  • tgx.gmachain.xyz launch
Phase 03
Live
Block Explorer
  • explorer.gmachain.xyz
  • Live blocks and transactions
  • Pool analytics and volume
  • Token registry
  • Holder leaderboard
Phase 04
Future
Go Rewrite + Multi-Node
  • Production Go implementation
  • Multiple PoA validators
  • P2P sync protocol
  • Decentralized validator set
Build
GMAChain API

GMAChain runs a full Ethereum-compatible JSON-RPC at api.gmachain.xyz. Any EVM tool works out of the box — MetaMask, ethers.js

GMAChain runs a full Ethereum-compatible JSON-RPC at api.gmachain.xyz. Any EVM tool works out of the box — MetaMask, ethers.js, wagmi, Hardhat, Foundry. No custom SDK needed — standard eth_* methods.

Connect in one line:

eth_blockNumber eth_getBalance eth_sendRawTransaction eth_call eth_getLogs
JSON-RPC · api.gmachain.xyz 
// POST https://gmachain.xyz/rpc — Ethereum JSON-RPC
{ "jsonrpc": "2.0", "method": "eth_blockNumber", "params": [], "id": 1 }

// Response: { "result": "0x..." }
// parseInt(result, 16) → block number

// Chain ID  : 4189  (0x105D)
// Decimals  : 18
// Block time: ~1s   (Clique PoA)
Add GMAChain to MetaMask
Network Name    GMAChain
RPC URL          https://gmachain.xyz/rpc
Chain ID       4189
Symbol         GMA

Or add manually using the details above