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openyield/docs/nomads/bearers.md
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cloudinit-bot 82ae6cf5a2 docs(milestone): complete OpenYield v0.3 (Bearers & Documentation)
Milestone v0.3 complete. Feature type, tags v0.2.x. Two work-streams
shipped under one feature milestone:

(A) Bearers skeleton + tests (D-020 pattern, 7 x/* packages, zero ext deps):
- x/bridge (NEW): BridgeStatus enum (4), BridgeRoute by-ID-string refs
- x/exit (NEW): ExitStatus enum (5), ExitRoute, DEXSwap (opaque venue)
- x/bearers (EXT): OYSATLink surveillance-resistant LOCKED, OYQRCode idempotent
- x/partner (EXT): AnchorCredential (custody-provider-id empty in skeleton)
- x/hub (NEW): HubService enum (3), LendingCouponCapBps=800 LOCAL const (A-304)
- x/services (NEW): ServiceKind enum (4), window-id by-ID-string ref (A-307)
- x/bond (EXT): GrowthBond, ClampGrowth G-012 underflow guard, secondary market
All packages >=93.3% coverage. Both lexicon firewalls green. G-003 intact.

(B) Documentation deliverable (REQ-027 complete, 26-page MkDocs Material site):
- README.md + mkdocs.yml + docs/index.md
- docs/shared/ (7 pages): Six Principles, Bread Scale, Storage Pools, Watchers/Mirror, Lexicon, Vision
- docs/nomads/ (8 pages): Reach, Stash, Bearers, Maps-Pay, Pacts, Standing, Window
- docs/freeholders/ (8 pages): Signals, Standing, Stands-Guilds, Councils-Voice, Bonds, Partner Spectrum, Anchor Preview
- docs/reference/ (2 pages): Architecture, Components
- REQ-028: lexicon firewall extended to docs/ + README.md (lexicon_meta_docs_test.go, 5 tests incl G-013 walk-coverage + G-014 shared self-test)

Phases: P0 -> v0.2.0, P1 -> v0.2.1, P2 -> v0.2.2, P3 -> v0.2.3, P4 -> v0.2.4, P5 -> v0.2.5, P6 -> v0.2.6 (milestone release).

Requirements covered: REQ-010, REQ-022, REQ-023, REQ-024, REQ-025, REQ-026 (skeleton), REQ-027, REQ-028 (complete).
IDEATE-01..08 ratified and delivered.

---ci---
project: oy
phase: 6
milestone: v0.3
status: complete
tag_base: v0.2.x
phase_role: final
milestone_complete: true
requirements:
  covered: [REQ-010, REQ-022, REQ-023, REQ-024, REQ-025, REQ-026, REQ-027, REQ-028]
  partial: []
---/ci---
2026-08-17 22:35:36 +00:00

2.2 KiB

Bearers

The bearers (REQ-019) are how a Nomad reaches the mesh. OpenYield ships six bearers through a single Unified Bearer Layer: the mesh does not care which bearer a Holder uses — first-to-deliver-wins, and a Nomad can switch bearers without switching identity. The Mirror mirrors the canonical state to every bearer so a Nomad can read the mesh's real return on any of them.

The six bearers

Bearer Live in v0.2 What it is
Internet yes the default bearer; OY Chain over the open internet.
OY-BLE yes Bluetooth Low Energy; short-range, peer-to-peer, no phone plan.
OY-WiFi-Direct yes WiFi Direct; local mesh without an access point.
OY-LR yes Long Range radio (LoRa-class); long-distance, low-bandwidth, surveillance-resistant.
OY-SAT coming (v0.3 P4) satellite; offline coverage via a satellite constellation.
OY-QR coming (v0.3 P4) signed QR code; one-shot offline transfer scanned by a peer.

What this means for a Nomad

A Nomad does not pick "the right bearer". The four already-live bearers (Internet, OY-BLE, OY-WiFi-Direct, OY-LR) cover the everyday situations: on the open internet, in a room with another Holder, in a local group with no router, or kilometers away with no infrastructure. OY-SAT and OY-QR extend that to true-offline paths and are coming in the next phase.

Surveillance resistance

OY-LR, OY-BLE, OY-WiFi-Direct, OY-SAT, and OY-QR are designed to be surveillance-resistant: a Nomad can send or receive value without a phone plan, a SIM, or a custodial on-ramp. The bearer is the transport; the Reach is the identity; the Stash is the storage. None of them depends on a custodial position.

First-to-deliver-wins

The Unified Bearer Layer is first-to-deliver-wins: if a Nomad sends a transfer over two bearers at once, the mesh accepts the first one that arrives and drops the duplicate. This is why a Nomad can switch bearers mid-transfer without double-spending.

See Watchers & Mirror for how the canonical state is mirrored to every bearer, and Maps & Pay for how a Nomad uses a bearer to find and pay for services.