FIG. 01 / ISOMETRIC PROTOCOL STACK PROJ. LAYER2.ID · REV. A
SCALE 1:1 DRAWN BY L2.ID
L5 · APPLICATION
L4 · TRANSPORT
L3 · NETWORK
L2 · SCALING / IDENTITY

LAYER2.ID

Identity on infrastructure
L1 · CONSENSUS
5 STRATA · 320U
L5 · APPLICATION
L4 · TRANSPORT
L3 · NETWORK
SECTION 02 · PEEL-APART

What lives at Layer 2.

Layer 2 is the stratum that gives Layer 1 its room to breathe — a parallel substrate that batches, settles, and certifies, then folds proofs back to the base. It is where throughput meets finality, and where identity acquires a durable address. We treat it as architecture, not abstraction: bordered planes, measured tolerances, dimensioned interfaces.

Inscribed on the surface of the second plane.

L1 · CONSENSUS
SECTION 03 · NETWORK TOPOLOGY Mesh certification graph · Layer 2 settlement nodes

A measured cross-section.

Looking at infrastructure from the side reveals what sits flush against what. The diagonal here is not stylistic — it is an inspection line, the angle along which two dimensions meet so neither dominates. Above the line: topology, the geometry of who-talks-to-whom. Below the line: the prose that explains why the geometry is shaped this way.

Each settlement node maintains a Merkle-root pointer to the consensus layer beneath. Identifiers live at the core; certificates fan outward. The mesh is intentionally dense, because redundancy is the cheapest insurance in a system where finality is forever.

Read this section the way you would read a specification sheet: slowly, and with a pencil in your hand.

SECTION 04 · SPECIFICATION SHEET

Six properties, dimensioned.

PROP. 01 / THROUGHPUT

Batched execution settles thousands of operations into a single finality proof.

PROP. 02 / IDENTITY

A persistent .id rooted in cryptographic biography, portable across protocols.

PROP. 03 / FINALITY

Settlement is anchored to L1 consensus — provable, durable, irreversible.

PROP. 04 / INTEROP

Speaks to neighboring layers through standardized message envelopes.

PROP. 05 / CUSTODY

Keys remain with their holder; the protocol only records consent and proof.

PROP. 06 / EFFICIENCY

Per-operation cost descends as utilization rises — economies of scale, on-chain.

SECTION 05 · IDENTITY LAYER

The .id at the end of layer2.

Infrastructure is the skeleton, but the body is identity. The dot-id is not a username; it is a coordinate — the point where a particular person, organization, or instrument intersects with a verifiable history. We build the protocol so that this coordinate is yours to hold, not ours to license.

A fingerprint is unique because it is yours alone, but it is meaningful only when it is read. Layer 2 is the reader — the stratum that takes the unique mark and gives it a place to act. The ridges of biometric individuality and the orthogonal traces of digital infrastructure share the same goal: to say, with as little ambiguity as the medium allows, this is who, and this is where.

— layer2.id, drafted in vellum and code