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@Sign

Sovereign Infrastructure for Global Nations. Backed by @circle, @sequoia and @yzilabs

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Joined March 2021
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A Mid-Year Note

For Sign, 2026 has been about integrating to the real world. We continued expanding our sovereign digital infrastructure business, launched new products, and further refined our long term strategy of

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Sierra Leone, Bhutan NDI and SIGN Foundation Partner to Implement Digital Identity System

The Ministry of Communication, Technology and Innovation (MoCTI) of the Government of Sierra Leone, Bhutan National Digital Identity Limited (Bhutan NDI), and SIGN Foundation have signed a Memorandum

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Sovereign Proof: Tamper-evident Records for Cross-Agency Data Requests

How to make public-sector verification provable later without centralizing citizen payloads In government, a log is not the same thing as proof. A welfare office checks income with the tax authority.

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$SIGN OBI Season 2 Is Live: More Holders, More Builders, More $SIGN

Season 1 proved the model. Across the Orange Dynasty, holders answered the call, moved their $SIGN onchain, and turned true ownership into proof of commitment. The Genesis Phase was our proving

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Citizen UX as Policy: Consent, Minimal Disclosure, and Clear Failure Modes

Why wallet screens, request prompts, and recovery flows are part of governance A wallet prompt is a policy decision. Imagine standing at a clinic counter. The staff asks you to scan a QR code. Your

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The Trust Fabric of a Credential System: Onboarding Issuers and Verifiers

Why trust has to scale without routing everything through one giant gate The hardest part of a credential system is not the wallet. It is the guest list. Imagine a country rolling out a modern

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What Goes On-chain vs Off-chain in an ID System (and Why)

author: Harry Song, researcher @Sign Where the integrity layer should stop, and why that boundary protects privacy, cost, and accountability. The most expensive mistake in on-chain identity is

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Digital Sovereignty, AI Governance, and Audit at Scale

Author: Harry Song, Researcher @Sign A decade ago, identity systems were mainly about login. Open a website. Type a username and password. Maybe a one-time code. You’re in. Today they are about

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How Sign Makes Programmable Welfare Work: Digital ID + Digital Money

There is a common mistake in understanding on digital public finance. People think putting money onchain modernizes welfare because it makes it faster. However, that is not the point. Sure, a token

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Three National Identity Architectures (and Why None Wins Alone)

Every country already has an identity system. The only question is whether it is coherent. There is a fantasy that shows up in too many strategy decks: a country will “build a digital ID.” As if

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The Modern National Currency

In our last article, we established a thorough understanding of CBDC. The natural extension is the question of what a deployable CBDC system actually looks like. Sign has built a full-stack CBDC

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Holder Supremacy: Introducing the 100 Million $SIGN Orange Basic Income

Today we are launching the $SIGN Orange Basic Income (OBI). This is a 100 million $SIGN incentive program designed to reward our long-term holders. The $SIGN OBI is a dynamic and fully-collateralized

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