
21X
21X is the first EU-regulated DLT trading and settlement venue for tokenized stocks, bonds, and funds, with atomic on-chain settlement.

What is 21X?
21X runs the EU's first fully regulated DLT trading and settlement system, licensed under the European DLT Pilot Regime. Institutions can tokenize, list, and trade stocks, bonds, and fund tokens through a smart-contract central limit order book with atomic settlement in regulated stablecoins. The venue operates multichain on Polygon and Stellar.
Web3 dapps and developer tools related to 21X
Discover blockchain applications that are frequently used with 21X.
Developer resources from Alchemy

How to build an AI trading bot: a complete developer's guide (2026)
A step-by-step technical guide to building a sentiment-enhanced crypto trading bot with on-chain data, machine learning, and risk management using Alchemy's blockchain APIs.
How Collector Crypt put nearly $40M of trading cards onchain with Alchemy
Collector Crypt runs the settlement layer for collectible real-world assets on Alchemy Solana RPC and Webhooks, with nearly $40M in tokenized trading card inventory onchain.

How Slingshot built cross-chain trading with Webhooks
Slingshot 2.0 supports instant trading of over 300K tokens across Solana, Ethereum, and various L2s. What sets them apart? Users can trade any token across any chain without worrying about bridging or gas fees - all powered by Alchemy Webooks.
21X alternatives
Explore web3 competitors and apps like 21X.
App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

