Milestone 4

## Optimisation for larger data uploads Uploading and downloading bigger files and datasets is optimised. ## Measuring success * Large data and data-sets (\~2.4GB) can be up- and downloaded reliably * Have a good UX for uploading, pausing, resuming, monitoring and postage stamp payment ## Time Estimate To be confirmed ## Value * The benefits of Milestone #1 are now unlocked for bigger files * Use-cases are increased * Usability of the network is greatly improved