PANews reported on October 21st that YZi Labs led a $25.5 million strategic funding round in Sign, with participation from IDG Capital. Sign CEO Xin Yan stated that Sign is committed to building digital infrastructure and plans to use the funds to expand its technical team. The funds will also be used to expand various partnerships aimed at advancing sovereign blockchain infrastructure.

In January of this year, Sign secured $16 million in funding from YZi Labs. Sign has raised a total of over $55 million across three funding rounds: seed, Series A, and strategic.