Why a dedicated L2
EDMA is not a smart contract deployed on a general-purpose chain. It is its own Ethereum Layer-2, built on the OP Stack with one critical modification: Proof-of-Verification (PoV) is enforced at the protocol level, not at the application level. That choice is the entire architecture in one sentence.
On a general-purpose chain, the rules of a tokenisation protocol live inside its contracts. Someone can deploy a parallel contract next to yours that mimics your token but skips the verification, and the chain has no opinion. On EDMA, the chain itself refuses to settle anything that hasn't passed the gate. No EMT, no funds. That guarantee can't be promised by an application; it has to be in the rails.
The five layers below describe the stack from the user-facing top to the Ethereum-secured base. Each layer has its own page in this section that drills into the mechanics.
The five layers
- 01
Layer 1, Settlement: Ethereum (PoS)
The base layer where EDMA's batches and state roots are anchored. Ethereum's Proof-of-Stake consensus and economic finality back every EDMA receipt. Withdrawals, bridges, and force-exits all respect Ethereum's challenge window. EDMA inherits Ethereum's neutrality and decentralisation without trying to recreate them.
- 02
Layer 2, Data Availability: EIP-4844 blobs + evidence vaults
What makes the rail auditable. PoV hashes, EMT mints, Locked-Unlocked EDSD deltas, fee lines, and burn hashes go to Ethereum as EIP-4844 blobs every 2 to 10 minutes. Heavy evidence (BL photos, COA PDFs, temperature logs) stays off-chain in redundant vaults, with hashes anchored on L1. Public verifiability for the facts that matter, private handling for the files.
- 03
Layer 3, Execution: EDMA L2 (EVM, sequencer)
The EVM-compatible execution layer where blocks are produced (~2s target). Smart contracts for EMT, EDSD, fees, burns, and governance live here. The sequencer orders transactions and posts batches to Ethereum. Users never need ETH; the Paymaster covers gas in EDM or EDSD.
- 04
Layer 4, PoV Enforcement: the brake (accent layer)
The defining layer. The PoV Gate (3 sequential checks), One-Claim Ledger (uniqueness), and Attestor Registry (signed evidence) sit between any state-changing transaction and the execution layer. No state on Layer 3 changes without a Layer 4 pass. This is what makes EDMA EDMA.
- 05
Layer 5, Application: Trade OS, marketplaces, tools
The user-facing surface: the Trade OS dashboard, the Tokens and Trade Marketplaces, the Launchpad, the Financial Model and Presale Builders. Web UI, REST APIs, SDKs, webhooks. None of these can move money without going through Layer 4.
