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Electronic Signatures and the Law: What Taiwan Got Right
Most countries have laws that permit electronic signatures. But few have built the institutional infrastructure to make those laws meaningful in practice. Taiwan's 2024 reforms offer an instructive model for how to achieve this.

Dr. Charles Wu
Apr 297 min read


SelfieSign vs. Alternatives — Who Offers the Most Comprehensive E-Signature Solution?
The e-signature market has a brand recognition problem. Most companies default to DocuSign or Adobe Sign because those names are familiar, assume compliance is covered, and move on. For routine business contracts, that's often fine. But if you're in a regulated industry, operating across borders, or signing high-value agreements, there's a good chance you're leaving significant legal risk on the table and paying premium prices for the privilege.

Dr. Charles Wu
Mar 308 min read


TC eWallet: A New Foundation for Digital Trust in Corporate Finance
Corporate financial digitalization has progressed slowly, constrained by structural limitations that have held businesses back for years. Recognizing this issue, the Financial Supervisory Commission (FSC) launched the "Corporate Digital Identity Verification Loan Platform Pilot Program" to catalyze change. This initiative set the stage for our TC eWallet, a digital wallet solution built for mobile devices and designed to break through these long-standing barriers.

Dr. Charles Wu
Jan 227 min read


Exploring the Deeper Challenge (Part 2): How Can .SVS E-Signatures Enable Real-World Asset Digitalization?
In our previous article, we explored whether human assets can be fully digitalized or tokenized, identifying two major barriers: authentic intention and legal recognition. Without a human-centric verification mechanism, digital signing opens the door to identity fraud, sloppy private key management, and legally baseless asset transfers. When trust and legal protection are missing, asset digitalization hits a wall.

Dr. Charles Wu
Nov 28, 20258 min read


Electronic Signature Formats Explained: PAdES vs SVS (XAdES-based)
Electronic signatures come in multiple formats; each designed for different use cases. This article compares the widely used PAdES format with the XAdES format that powers SelfieSign's SVS (Selfie Video Signature) file, exploring how these technologies differ and what makes each suited to different scenarios.

Dr. Charles Wu
Oct 31, 20255 min read


Why E-Signature Laws Are Overdue for an Upgrade
Electronic signature laws are notoriously difficult to draft, revise, and interpret. They must balance legal provisions, real-world applications, cybersecurity controls, AND technical standards. This multifaceted complexity demands not just theoretical understanding, but practical insight into how these technologies actually function in diverse scenarios.

Dr. Charles Wu
Sep 30, 20254 min read


The Evolution of Signatures: From Handwritten to Video-Based
The way we authenticate documents and verify identity has undergone a remarkable transformation throughout human history. From the clay seals of ancient civilizations to today's cutting-edge biometric verification systems, signatures continue to evolve at an unprecedented pace. In this article, we'll trace the fascinating journey of signature evolution through four distinct generations: Signing 1.0, 2.0, 3.0, and the most advanced 4.0.

Dr. Charles Wu
Aug 13, 20257 min read


Exploring the Deeper Challenge (Part 1): Can Human Assets Be Fully Digitized or Tokenized?
As digital finance moves toward full-scale adoption, establishing trusted digital identities and asset certification mechanisms has become a major challenge. At the 2025 Tokyo GFTN Forum, ThinkCloud raised a critical question: Are we really ready to fully digitize human value?

Dr. Charles Wu
May 6, 20255 min read


Zero Trust Meets Video Signatures: Why Digital Trust Needs to be Earned, Not Given
Most transactions today happen remotely. Deals close across borders. Signatures are exchanged between people who’ve never met—and may never meet. In this landscape, trust is the currency that can make or break a business. But with cybercriminals evolving faster than ever, that trust is in short supply. This tension between necessary digital interactions and growing security threats has catalyzed the need for a fundamental shift in how businesses ensure the integrity of their

Dr. Charles Wu
Apr 25, 20256 min read


The Case for Stronger E-Signatures: Securing Identity and Intent
Despite the growing popularity of e-signatures, legal concerns persist regarding their validity and admissibility as evidence in court.

Dr. Charles Wu
Mar 20, 20244 min read
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