Kiln is a staking-as-a-service platform that offers enterprise-grade staking solutions. They provide a range of products, including on-chain smart contracts for seamless ETH staking, dedicated or shared validators, and one SDK for staking, rewards, and more on all protocols. Kiln supports over 20 proof of stake blockchains and offers solutions for custodians, exchanges, treasury managers, and wallets. Their platform is extensible and secure, making staking easy for businesses and users.