Kintsugi is Interlay’s canary network, an experiment with real economic value deployed on Kusama. 
Interlay is a decentralized network dedicated to connecting crypto-currencies like Bitcoin with DeFi platforms like Polkadot and Ethereum. The Interlay network is hosted as a Polkadot parachain and will be connected to Cosmos, Ethereum, and other major DeFi networks. 
kBTC, Kintsugi's flagship product, is a 1:1 Bitcoin-backed asset on Kusama. Backed by multi-collateral insurance, it resembles an algorithmic stablecoin pegged to and redeemable 1:1 for Bitcoin (i.e. a hybrid). Users must only ever trust that Bitcoin and the DeFi platform they use are secure.
KINT is the native utility token that is used for: Governance votes to decide on protocol upgrades and determine how network resources are allocated, Fees for processing transactions.