In the current Web3 ecosystem, the vast majority of discussions still revolve around assets, transactions, and on-chain liquidity. But if we look from a longer-term perspective, a more fundamental question is gradually emerging—identity and trust!
Because in the traditional internet, identity is often controlled by platforms, and users' accounts, data, and behavior records are tied to centralized systems. Web3 attempts to change this, allowing users to truly own their data and identity. However, this shift also brings new challenges: without a centralized platform, how can a trustworthy identity system be established? In this context, projects like Sign have begun to gain attention. Its core logic can be understood through a simple metaphor—'key.' In Web3, identity, credentials, and authorization are essentially completed through signatures, and a signature itself is a form of 'proof.'
From a technical perspective, a signature is not only a confirmation of action, but also an expression of trust. It can prove that a certain action was initiated by a specific address and can serve as the basis for identity and permissions. When these capabilities are further extended, they create more complex application scenarios such as on-chain credentials, identity verification, and data authorization.
I personally believe that the development of Web3 will not be limited to the asset layer, but will gradually evolve towards the 'identity layer'. Future users will not just be a wallet address, but rather a digital identity that possesses multiple credentials and records. In this system, those who can better construct identity and trust mechanisms are likely to become part of the infrastructure. From this perspective, the exploration of Sign is somewhat representative. It attempts to build a new trust model through signatures and credentials, allowing users to carry their identity and data across different applications without relying on a single platform.
In addition, I would like to mention that the imagery of 'keys' also carries strong symbolic significance. It not only represents access rights but also control. In Web3, what users truly possess is their private key, and this 'key' also serves as the gateway to the entire ecosystem.
Overall, Sign is focused not only on technical implementation but also on a core issue in Web3—how to establish a decentralized trust system. If this issue can be better resolved, the application boundaries of Web3 will also be further expanded!


