Large-scale peer production projects rely much on contributions from potentially anonymous individuals. International volunteer projects, such as Wikimedia, are largely based on a general sense of trust and fail to verify identities of (apparent) contributors. While this already creates huge issues for Wikimedia and many more, ongoing developments in artificial intelligence could soon enable cheap attacks of such projects causing massively larger wastes of effort, threatening these projects' viability.
Now is the time for globally verifiable identities.
2023 Update
It turned out this prediction was quite right (though not entirely).