Infrastructure
Technical infrastructure
Core systems
Chain 138
Settlement network
EVM-compatible settlement chain operating on Chain ID 138. Hosts 131 deployed smart contracts including PMM liquidity pools, cross-chain bridges (cUSDT, cUSDC), and settlement infrastructure.
Absu
Consensus client
Hyperledger Besu fork purpose-built for Chain 138. Forked from besu-eth/besu with QBFT consensus for settlement-grade finality. Maintained by bis-innovations.
MetaMask Snap
Wallet integration
Browser wallet integration for Chain 138 — enables swaps, bridge operations, and real-time pricing within MetaMask. Most actively maintained component in the ecosystem.
Ledger Live integration
Hardware wallet
8-step Ledger hardware wallet integration guide for Chain 138. Enables cold storage and signing for settlement participants.
Fineract IPSAS ledger
Core banking
Apache Fineract instance configured for IPSAS-compliant institutional accounting. OMNL tenant provides central-bank-class ledger operations with double-entry bookkeeping.
Gitea (source control)
DevOps
Self-hosted Gitea instance hosting all DBIS portal source code, infrastructure configurations, and credential management. 9 organizations covering portals, infrastructure, and identity systems.
Deployed smart contracts
Chain 138 hosts 131 deployed smart contracts. Key contract categories:
- cUSDT0x93E6…7f22
Compliant wrapped USDT (6 decimals)
- cUSDC0xf222…640b
Compliant wrapped USDC (6 decimals)
- cXAUC0x290E…EC6b
Gold-backed token — 1 token = 1 troy oz Au (6 decimals)
- cXAUT0x94e4…C96E
Gold-backed token — 1 token = 1 troy oz Au (6 decimals)
- DODOPMMIntegration0x86AD…8895
Live PMM integration (Stack A)
- DODOPMMProvider0x3f72…4F2e
ILiquidityProvider for live PMM pools
- PMM Pool (cUSDT/cUSDC)0x9e89…40dC
Primary traded stablecoin pool
Full contract addresses and verified bytecode are available on the Chain 138 explorer.
Cross-chain bridges
CCIP WETH9/WETH10 lanes and cW* bridges. Live route tables: info.defi-oracle.io/routing, explorer bridge monitoring, API /token-aggregation/api/v1/bridge/routes.
- CCIPWETH9Bridge (138)0xcacf…820a
Canonical WETH9 CCIP source bridge
- CCIPWETH10Bridge (138)0xe0E9…35D0
WETH10 CCIP source bridge
- CWMultiTokenBridge L1 (138)0x152e…0de7
c* → cW* lock on Chain 138
- CCIP Router (138)0x42DA…4817
Chainlink CCIP router
- CCIPRelayBridge (mainnet)0xF9A3…f939
138→1 WETH9 relay release
- CWMultiTokenBridge (mainnet)0x2bF7…D7B5
cW* mint/burn on Ethereum
Web surfaces
| Domain | Purpose |
|---|---|
| d-bis.org | Public institutional portal |
| admin.d-bis.org | Admin console |
| secure.d-bis.org | Member secure portal |
| core.d-bis.org | DBIS Core banking client portal |
| data.d-bis.org | Public data API |
| explorer.d-bis.org | Chain 138 block explorer |
| rpc.d-bis.org | Chain 138 JSON-RPC endpoint |
| fineract.d-bis.org | Fineract IPSAS ledger admin |
| gitea.d-bis.org | Source control (Gitea) |
| developers.d-bis.org | Developer hub and API documentation |
| identity.d-bis.org | DID registry |
| status.d-bis.org | System status monitoring |
GitHub organizations
Primary development org — Absu, Chain 138 Snap, Ledger Live. Formerly "BIS Innovations."
Infrastructure tooling, bridge contracts, and deployment automation.
KYC/AML (Aurea Nexus), DeFi platforms, Ethereum dev tool forks.