BCID Specification v1 — RFC Summary

Status: Open for public comment until 2026-08-18

This page summarizes the full RFC. Canonical spec: BCID_SPEC_RFC.md on GitHub

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DID method: did:bcid

did:bcid:<type>:<id>

Types: human · company · asset · agent

Resolve: GET /api/bcid/resolve?did=did:bcid:human:...

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Dynamic soulbound model

Layer	Behavior
Identity anchor	Non-transferable ERC-721 in BcidRegistry
Credentials	Issued/revoked over time; optional EAS UID
Reputation	Four scores recompute from verifiable events

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Credential catalog (v1)

Slug	Use
bcid-builder	Shipped work proof
bcid-contributor	Community contribution
bcid-verified-human	Human proof
dao-member	DAO pilot membership
grant-applicant	Grant program binding

EAS schemas: EAS_SCHEMA_PACK.md

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Reputation formula

Four scores ∈ [0, 100]:

• Builder — quests, credentials, attestations
• Trust — tenure, guardians, credential holdings
• Contribution — community tasks, bridge seed
• Verification — human proof, SIWE history

Excluded: follower count, Neynar social score, cast frequency.

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Interoperability (normative)

• .culture bridge via POST /api/bcid/bridge/culture
• EAS attestations with published schema UIDs
• ENS text record bcid=<did> (optional)
• ERC-8004 agent-card metadata.bcidDid

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How to comment

Channel	Link
Builder Voice	/voice — tag bcid-rfc
Email	hello@buildingcultureid.space
GitHub	Discussions on xrpbaby repo
EAS forum	Schema proposal thread

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Timeline

Date	Milestone
2026-06-18	RFC published
2026-07-18	Draft v1.0.1 from pilot feedback
2026-08-18	Comment period closes
2026-09-01	Spec v1.0 frozen

Lite paper: BCID_LITE_PAPER.md