Nitro channels are currently under development for use in the Filecoin ecosystem, with support from the Filecoin Foundation. Efforts are concentrated on two main areas:
Low latency payments can incentivize retrieval providers to provide files to retrieval clients, without burdening either party with slow transaction confirmation times or high transaction costs. This will faciliate a decentralized CDN for Filecoin.
Filecoin Virtual Machine
Filecoin is working towards having an EVM-compatible virtual machine. This is a crucial step allowing for Nitro to be implemented in solidity and deployed to Filecoin. This not only enables the retrieval markets application(s), but a whole raft of other applications looking to benefit from the same sweetness that Nitro can bring.