SIGN: The infrastructure to solve the cross-chain authentication challenges in Web3

In the decentralized world, trust is becoming the most scarce commodity. Although blockchain technology promises transparency and immutability, data silos between multiple chains turn verification into a nightmare. Imagine your identity verification on Ethereum being useless on Solana—that’s the real dilemma faced by the current Web3 ecosystem.

SIGN Protocol emerges as a solution. It is not another financial application but a universal authentication standard for all chains. As the native token of this ecosystem, $SIGN is powering the entire verification network, making “trustworthiness” truly feasible in the digital world.

Why does Web3 need SIGN? Four major pain points solved at once

Fragmented trust

The current internet still heavily relies on third-party institutions to endorse information, leading to countless isolated verification systems—they operate independently and do not communicate. As a result, users have to verify repeatedly across different platforms, which is highly inefficient.

SIGN aims to establish a unified verification standard across all mainstream blockchains (Ethereum, Solana, TON, etc.), so that a single credential can be recognized anywhere.

The chasm of cross-chain verification

Even if you complete identity verification on chain A, that data is completely unusable on chain B. Each chain is like an information island, forcing users to repeatedly fill out forms and re-verify—an inefficient and error-prone process.

SIGN leverages innovative cross-chain technology (using Trusted Execution Environment TEE) to enable verification data to flow and be validated across chains, truly breaking down barriers between chains.

High verification thresholds

Traditional digital signatures and verification processes are extremely complex—requiring key management and technical steps that ordinary users cannot handle. This excludes large groups of people.

SIGN’s philosophy is “making verification simple.” Through an intuitive user interface and one-click operations, anyone can create and verify credentials.

Difficulty in authenticating documents

In an era of deepfake and information manipulation, we need cryptography-level verification methods to ensure document authenticity and integrity. SIGN uses the immutability of blockchain to give each document a “forgery-proof certificate.”

The four pillars of the SIGN ecosystem

EthSign: On-chain electronic signatures

Bringing traditional electronic contracts onto the blockchain—users can upload files, set signing fields, invite multiple parties, track signing progress in real-time, and obtain cryptographic verification guarantees.

Compared to Web 2.0 platforms, EthSign offers the same user experience but with added blockchain security. Importantly, these signatures are recognized as legally binding in multiple jurisdictions.

TokenTable: Token distribution engine

A product matrix designed specifically for token distribution:

• Airdrop Pro: Handles airdrops of up to 40 million tokens across networks like EVM, TON, Solana, and more; has distributed over $130 million worth of tokens to over 30 million users.
• Airdrop Lite: A simplified version suitable for small-scale distributions under 100,000.
• Unloader: Fine-grained token unlocking tool supporting custom schedules and anti-fraud protections.

Schema Registry: Certification standard library

This is the central repository for certification schemes. Developers can find or create standardized certification templates, ensuring interoperability and composability of credentials across different applications. Simply put, it’s the “Lego bricks” of the certification world.

SignScan: Certification browser

An intuitive exploration tool allowing ordinary users to view and verify various credentials. It also provides REST and GraphQL APIs for developers to query data programmatically.

SIGN Protocol vs $SIGN Token: A symbiotic relationship

Similar to Ethereum and ETH, SIGN Protocol is the underlying infrastructure, while $SIGN is the energy driving this ecosystem.

The protocol handles standards and technical architecture, while the token energizes the network by:

• Paying for verification and validation fees
• Participating in governance votes (deciding protocol directions)
• Ensuring network security

This design tightly aligns token holder interests with the success of the protocol— the more prosperous the ecosystem, the more valuable the token.

Technical moat: Why is SIGN different?

Truly multi-chain support

Most competitors only support a single chain, but SIGN is natively multi-chain from inception. Ethereum, Solana, TON, and even future blockchains are seamlessly supported.

Flexible storage solutions

Not all verification data needs to be stored entirely on-chain (which is costly). SIGN allows users to choose freely:

• Fully on-chain storage: most secure but expensive
• Arweave permanent storage: cost-effective and永不丢失
• Hybrid schemes: verification on-chain, data off-chain

Built-in legal compliance

Beyond technical security, SIGN’s signatures are legally binding in countries with well-developed legal systems like the US, China, and Australia. This enables real-world business and legal applications.

Open protocol philosophy

SIGN is not proprietary to any company but an open infrastructure for the entire ecosystem. This openness attracts more developers to contribute, creating stronger network effects.

SIGN’s real achievements

TokenTable has handled over $130 million in token distributions, serving more than 30 million users—these are not just PPT figures but real on-chain data.

This proves that SIGN is not just a theoretical concept but a practical tool validated by the market.

Competitive comparison

vs other on-chain certification solutions

Most competitors focus on “single-chain certification,” while SIGN offers “multi-chain certification”—a completely different concept.

vs traditional electronic signature platforms

Traditional platforms lack transparency and true ownership control. User data is held on centralized servers, and the signing process is opaque. SIGN restores ownership to users while maintaining ease of use.

vs closed enterprise solutions

Many large companies have built their own verification systems, but these are often “castles”—serving only their own interests. SIGN is an open infrastructure that allows everyone to participate.

The future path of SIGN

Expanding the verification ecosystem

SIGN is building a four-layer verification system:

• Trust Layer: Social infrastructure
• Application Layer: Various DApps and services
• Infrastructure Layer: Core systems handling data
• Certification Layer: Managing the credentials themselves

Support for more blockchains

Currently supporting Ethereum, Solana, TON, with plans to support more emerging public chains, gradually achieving true “full-chain” support.

Upgrading developer-friendly tools

Including multi-language SDKs, no-code credential builders, and integration templates for common scenarios, making it accessible even to non-technical users.

Real-world application deployment

From DeFi risk control, KYC/AML compliance, degree verification, supply chain traceability, to medical record validation, SIGN is exploring practical applications across various fields.

Decentralized governance

Long-term goal is to enable $SIGN holders to govern the protocol development through DAO, truly realizing community-driven growth.

Who should participate in SIGN?

For ordinary users: Access simple, secure, cross-chain signing and credential tools, free from platform lock-in.

For developers: Use standardized verification frameworks to quickly build applications requiring validation, without reinventing the wheel.

For institutions: Obtain enterprise-grade solutions that balance technological sophistication and legal compliance.

For investors: Participate in an ecosystem with real applications, real users, and real revenue.

Summary

The SIGN protocol is doing something simple but significant: making trust truly flow in Web3.

It’s not just another financial gambling tool but the fundamental infrastructure most needed in the blockchain world—similar to how DNS and HTTP are essential for the internet, Web3 needs a universal verification layer like SIGN.

From EthSign’s document signing, to TokenTable’s token distribution, to the foundational cross-chain verification infrastructure, SIGN is moving from theory to reality, from niche to mainstream. If you care about the future usability and trustworthiness of Web3, SIGN is definitely worth following.