TLDR:Spain approved BeToken, the first euro-denominated regulated STO on Polygon.The fund runs on ERC-3643, enabling live KYC/AML checks and legal compliance.Polygon Labs was not involved, showing true decentralized adoption in finance.$1B in 2025 payments signals Polygon’s growing role in tokenized real-world assets.A major shift in European finance just took place quietly, without test runs or pilots. Spain now hosts a fully live, euro-based tokenized investment fund. It runs on blockchain infrastructure, and Polygon was the chain of choice. What’s more surprising? Polygon Labs didn’t even know it was coming. The move shows how regulated capital markets are now starting to build directly on-chain.Spain Regulated STO Goes Live on PolygonBeself Brands, a Spain-based wellness firm, has launched BeToken under full regulatory approval. The token is tied to real equity and operates under Spanish securities law. It represents actual shares, offering both dividends and governance rights.The token went live on the Polygon PoS chain using the ERC-3643 standard. Each transaction includes automated compliance checks like KYC and AML. This isn’t a testnet or trial, it’s live and fully operational.According to Polygon’s internal blog, this is Spain’s first fully regulated on-chain Security Token Offering (STO). It may also be one of the first in the entire EU. Equity issuance, investor compliance, and settlement are now fully on-chain, at production scale.The Role of Polygon in On-Chain Capital MarketsPolygon CEO Sandeep Nailwal posted that this move happened without any direct input from Polygon Labs. That makes it a true example of decentralized adoption. According to Nailwal, it proves Polygon is ready for real-world asset tokenization, no hand-holding needed.Ecosystem Announcement Spain just made European tokenization real and it’s all happening on Polygon PoS.And we just found out about it @Betoken_io, launched by Beself Brands, is now the first fully regulated euro-denominated tokenized investment fund live in the EU.… pic.twitter.com/0q8C6YCPie— Sandeep | CEO, Polygon Foundation (※,※) (@sandeepnailwal) July 23, 2025Polygon offers fast finality, low transaction costs, and enterprise-level scaling. These features make it ideal for regulated tokenized finance. It’s already attracting serious institutional use.In fact, $1 billion in payments flowed through the ecosytem in early 2025 alone. That included large-scale usage in low-value peer-to-peer transfers. With $3.1 billion in stablecoins locked in, Polygon is holding ground as a hub for on-chain financial services.Tokenized Finance Moves Toward the MainstreamBeToken’s launch hints at a broader trend. Institutional-grade assets are now appearing on public chains. The integration of ERC-3643 ensures full legal compliance without centralized middlemen. Everything, issuance, tracking, governance, lives on-chain.Projects like Stripe, Securitize, and Hamilton Lane have also launched offerings on the POL ecosystem. The pipeline of real-world asset deployments is growing rapidly.Spain’s approval of BeToken shows this model isn’t speculative anymore. It’s regulated, live, and already operational. With capital markets leaning toward blockchain, Polygon is fast becoming the default choice for building the next phase of finance. The post Polygon Powers Spain’s First Live Security Token Offering Under EU Law appeared first on Blockonomi.