Although Sign is seen as a defender of digital sovereignty, from a macroeconomic and technologically neutral perspective, we need to be vigilant about the following dimensions:

• 1. The paradox of 'digital centralization' of power:

Sign emphasizes 'sovereignty,' which means it largely serves the government (B2G model). Although on-chain data is immutable, if the identity issuance authority remains highly centralized in the hands of the government, it could become a more efficient digital control tool. The public's 'reassurance' depends on the government's credibility, rather than just the technology itself.

• 2. The 'double-edged sword' of capital outflow:

Sign claims to prevent capital outflow, but blockchain is inherently borderless. If a country's local currency or assets are fully tokenized (RWA), during a crisis, the speed of capital withdrawal could be hundreds of times faster than traditional banking systems. What Sign actually provides is 'liquidity transparency,' allowing the government to see where the money goes, but whether it can truly stop the money depends on economic confidence, not on technological locks.

• 3. The struggle for compatibility and standards:

Middle Eastern countries (such as Saudi Arabia and the UAE) are not united in their regulation of digital assets. As an 'omni-chain' protocol, Sign faces interoperability challenges between different countries' private chains (like CBDC tracks based on Fabric) and public chains. Whether it can become a true 'infrastructure' depends on its ability to unify these fragmented digital islands

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