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Tether CEO Paolo Ardoino said self-custody wallet creations built using the company’s Wallet Development Kit (WDK) have surpassed 100,000, pointing to growing developer adoption of the stablecoin issuer’s open-source infrastructure tooling.
Ardoino described the milestone as a count of wallet creations rather than active users or transaction volume. The figure refers to the number of self-custody wallets that have been spun up using WDK as the underlying framework.
WDK is an open-source toolkit released by Tether to help developers and platforms build self-custody wallets. Instead of building wallet infrastructure from scratch, teams can use WDK to accelerate deployment while keeping a self-custody model in which users retain direct control of their private keys and funds.
Tether has positioned the toolkit as part of a broader push toward “financial freedom infrastructure,” making it freely available to encourage adoption. The open-source release is intended to lower the barrier for integrating stablecoin-compatible wallet functionality into other products.
In self-custody, the user—not a third-party service—holds the cryptographic keys that control assets. This distinction is central in an industry where exchange failures and custodial collapses have highlighted the risks of relying on intermediaries for fund storage.
The 100,000 figure is a creation metric, not an active-usage metric. It indicates how many wallets have been generated through WDK-powered implementations, meaning actual daily usage could be lower.
Even so, a six-figure creation count suggests meaningful traction among developers and platforms using the toolkit. For Tether, the milestone also extends its role beyond stablecoin issuance into wallet infrastructure, potentially embedding Tether-linked products more deeply into the crypto stack—from the stablecoin itself to the wallets that hold it.
The development of wallet tooling also aligns with broader investment in blockchain digital infrastructure, where companies raise capital to build foundational layers that support crypto adoption rather than focusing only on tokens.
Self-custody remains a core principle in cryptocurrency, reflecting users controlling their own assets without relying on centralized intermediaries. Interest in self-custody has gained renewed attention as the industry matures and regulatory frameworks evolve around custodial services.
Wallet development kits such as WDK can function as an infrastructure layer by making it easier for developers to launch self-custody products. By lowering the effort required to build wallet functionality, Tether is positioning itself more as an infrastructure provider than solely a token issuer.
The stablecoin sector has also seen infrastructure-focused moves, including efforts by other companies to expand cross-chain transfer capabilities. Tether’s WDK push represents a different approach toward similar goals: improving integration and accessibility.
For onboarding, self-custody wallets can help users interact with blockchain networks without first trusting a centralized exchange or custodian, though they also shift key management responsibility to the user.
WDK stands for Wallet Development Kit. It is an open-source toolkit from Tether that lets developers build self-custody wallets without creating the underlying infrastructure from scratch.
No. Wallet creations measure how many wallets have been generated, not how many are actively used. The actual number of active wallets could be lower.
Yes. WDK-based wallets are self-custody, meaning users hold their own private keys and maintain direct control over their funds without relying on a third party.
Disclaimer: This article is for informational purposes only and does not constitute financial or investment advice. Cryptocurrency and digital asset markets carry significant risk. Always do your own research before making decisions.
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