# WDK (Wallet Development Kit) by Tether Website > [WDK](https://wdk.tether.io) is a developer website for building multi-chain wallets and > wallet-enabled products using WDK technology. This file provides > a structured map for AI agents to discover key pages and CMS-backed content. ## Core Product Pages *Primary marketing and product discovery surfaces.* - [Home](https://wdk.tether.io/): Product overview and entry point to WDK website content. - [Blog](https://wdk.tether.io/blog): Main index of articles, announcements, and technical updates. - [Partners](https://wdk.tether.io/partners): Partner program overview and how to join the WDK ecosystem. - [Changelog](https://wdk.tether.io/developers/changelog): Product release notes and version history. - [Building Blocks](https://wdk.tether.io/developers/blocks): Catalog of installable WDK modules and SDK building blocks. ## Blog Categories (CMS) *Topic-level entry points for filtering article content.* - [Engineering](https://wdk.tether.io/blog?category=engineering): Category 2. - [Intelligence](https://wdk.tether.io/blog?category=intelligence): Category 1. - [Research](https://wdk.tether.io/blog?category=research): Category 3 (empty). - [Tether's Developer Relations](https://wdk.tether.io/blog?category=devrel): Developer Relations within Expansion Tech focuses on growing adoption of Tether technologies by supporting developers through technical education, ecosystem engagement, community building, and feedback collection, while ## Blog Posts (CMS) *Published articles sourced from Payload CMS.* - [TON Gasless Transactions in WDK.](https://wdk.tether.io/blog/gasless-transactions-in-wdk-ton): Gasless transactions in the WDK Ton Chain wallet module - [Solana Gasless Transactions in WDK](https://wdk.tether.io/blog/gasless-transactions-in-wdk-solana): Gasless transactions in WDK for the Solana wallet module. Kora paymaster wallet module structure. - [EVM Gasless Transactions in WDK: ERC-4337 and EIP-7702 Gasless Transactions](https://wdk.tether.io/blog/gasless-transactions-in-wdk-evm): Gasless transactions in WDK for EVM chains, using the WDK wallet modules ERC 4337 and EIP 7702 - [Gasless Transactions in WDK: A Chain-by-Chain Guide Walkthrough](https://wdk.tether.io/blog/gasless-transactions-in-wdk): Gasless transactions in WDK. Chain-by-chain guide, and all wallet-supported modules. - [Wallet Fundamentals: Sending USDt in WDK](https://wdk.tether.io/blog/wallet-fundamentals-sending-usdt-in-wdk): Learn how to send USDt across Ethereum and TRON using WDK’s unified wallet API for multi-chain self-custodial applications. - [Wallet Fundamentals: Build, Sign, and Send Your First Transaction in WDK](https://wdk.tether.io/blog/wallet-fundamentals-build-first-wallet-wdk): Learn how to create, sign, and send blockchain transactions with WDK across Bitcoin, Ethereum, and TON using one API. - [Introduction to WDK: Tether's Wallet Development Kit](https://wdk.tether.io/blog/introduction-to-wdk-wallet-development-kit): Build secure self-custodial multi-chain wallets with WDK, Tether’s open-source SDK for Bitcoin, Ethereum, TON, TRON, and more. ## Changelog Tags (CMS) *Topic-level entry points for filtering release notes.* - [Community](https://wdk.tether.io/developers/changelog?tag=community): Changelog entries filtered by tag. - [Hackathons](https://wdk.tether.io/developers/changelog?tag=hackathons): Changelog entries filtered by tag. - [Product Showcase](https://wdk.tether.io/developers/changelog?tag=showcase): Changelog entries filtered by tag. - [SDK](https://wdk.tether.io/developers/changelog?tag=sdk): Changelog entries filtered by tag. ## Changelog Entries (CMS) *Published release notes sourced from Payload CMS.* - [June Update](https://wdk.tether.io/developers/changelog/june-26): June added local transaction policies and signer-aware account foundations, standardized native transaction fee caps, and introduced EIP-7702 gasless wallets, Asset Registry, and CoinGecko pricing packages. - [May Update](https://wdk.tether.io/developers/changelog/may-26): May expanded WDK with a unified Swidge interface, stronger offline-signing and provider-failover support, and reliability fixes across wallet lifecycle, React Native storage, and GasFree state handling. - [April Update](https://wdk.tether.io/developers/changelog/april-26): April's headline: Tether Wallet launched publicly, built on WDK. Beyond that, the team shipped a wave of SDK releases, a new signer architecture, the signTransaction method across all wallet modules, failover provider su - [March Update](https://wdk.tether.io/developers/changelog/march-26): March was focused on EIP-7702 gasless transactions, a major React Native developer experience overhaul, new AI agent tooling, and a big milestone for the community - Hackathon Galactica wrapped with 484 participants and - [February Update](https://wdk.tether.io/developers/changelog/february-26): February was a big one - we launched a full suite of AI developer tooling, added x402 payment support, shipped significant EVM improvements, and saw the first wave of community-built modules and projects go live. ## Building Blocks (CMS) *Published WDK modules and SDK building blocks.* - [wdk-core](https://wdk.tether.io/developers/blocks/wdk-core): Central orchestrator for all WDK modules - [wdk-protocol-bridge-usdt0-evm](https://wdk.tether.io/developers/blocks/wdk-protocol-bridge-usdt0-evm): USDT0 bridging from EVM source chains to EVM and non-EVM destinations - [wdk-protocol-fiat-moonpay](https://wdk.tether.io/developers/blocks/wdk-protocol-fiat-moonpay): MoonPay integration for fiat on-ramp - [wdk-protocol-lending-aave-evm](https://wdk.tether.io/developers/blocks/wdk-protocol-lending-aave-evm): Aave protocol integration for EVM - [wdk-protocol-lending-morpho-evm](https://wdk.tether.io/developers/blocks/morpho-org-wdk-protocol-lending-morpho-evm): A WDK lending module for Morpho on EVM chains - [wdk-protocol-swap-velora-evm](https://wdk.tether.io/developers/blocks/wdk-protocol-swap-velora-evm): DEX aggregator swap on EVM chains - [wdk-wallet-aptos](https://wdk.tether.io/developers/blocks/wdk-wallet-aptos): WDK wallet module for SLIP-0010 Aptos accounts, balances, signing, and transactions. - [wdk-wallet-btc](https://wdk.tether.io/developers/blocks/wdk-wallet-btc): Bitcoin SegWit wallet with BIP-39/BIP-44 support - [wdk-wallet-evm](https://wdk.tether.io/developers/blocks/wdk-wallet-evm): Ethereum and EVM-compatible chains wallet - [wdk-wallet-evm-7702-gasless](https://wdk.tether.io/developers/blocks/wdk-wallet-evm-7702-gasless): WDK wallet module for EIP-7702 accounts and gasless EVM transactions through ERC-4337 bundlers and paymasters. - [wdk-wallet-evm-erc4337](https://wdk.tether.io/developers/blocks/wdk-wallet-evm-erc4337): ERC-4337 Account Abstraction for EVM chains - [wdk-wallet-rgb](https://wdk.tether.io/developers/blocks/wdk-wallet-rgb): RGB protocol wallet integration - [wdk-wallet-solana](https://wdk.tether.io/developers/blocks/wdk-wallet-solana): Solana blockchain wallet - [wdk-wallet-solana-gasless](https://wdk.tether.io/developers/blocks/wdk-wallet-solana-gasless): WDK wallet module for gasless Solana transactions through a Kora-compatible paymaster. - [wdk-wallet-spark](https://wdk.tether.io/developers/blocks/wdk-wallet-spark): Spark/Lightning Bitcoin L2 wallet - [wdk-wallet-ton](https://wdk.tether.io/developers/blocks/wdk-wallet-ton): TON blockchain wallet - [wdk-wallet-ton-gasless](https://wdk.tether.io/developers/blocks/wdk-wallet-ton-gasless): Gasless transactions on TON - [wdk-wallet-tron](https://wdk.tether.io/developers/blocks/wdk-wallet-tron): TRON blockchain wallet - [wdk-wallet-tron-gasfree](https://wdk.tether.io/developers/blocks/wdk-wallet-tron-gasfree): Gas-free transactions on TRON ## Machine-Readable Endpoints - [Sitemap](https://wdk.tether.io/sitemap.xml): Index sitemap for crawlers and SEO tooling. - [Server Sitemap](https://wdk.tether.io/server-sitemap.xml): Runtime CMS sitemap for blog, changelog, and blocks. - [Blog RSS](https://wdk.tether.io/feed.xml): RSS feed for published blog posts. - [Changelog RSS](https://wdk.tether.io/developers/changelog/rss.xml): RSS feed for changelog entries. - [llms.txt](https://wdk.tether.io/llms.txt): This AI-oriented site map.