
Fystack
Fystack is an enterprise digital asset custody platform that gives teams MPC wallets, custody APIs, and a crypto payment gateway.

What is Fystack?
Fystack helps developers and teams build secure wallet experiences through MPC infrastructure that splits private keys across multiple nodes. Users can spin up wallet-as-a-service, integrate custody APIs, accept stablecoin payments through Fystack's gateway, and pull onchain data through a unified API. The open-source Mpcium project powers the underlying threshold signature scheme.
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Developer resources from Alchemy

The stablecoin orchestration problem: Why payment companies are stuck between vendors
The stablecoin orchestration market didn't consolidate as expected. Here's why payment companies face harder vendor decisions than ever, and how to decouple infrastructure from orchestration.

TRON support is live on Alchemy
You can now build on TRON, the second largest blockchain by stablecoin marketcap, with Alchemy.

How to scale to 30,000 requests per second. The story behind Usual's seamless airdrop
Usual aims to put ownership back in the hands of its users, by ensuring that value flows back to the community rather than concentrating at the top, paving the way for a fair and community-driven future for stablecoins and token-based finance.
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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.

