From the 2019 article: “Bitcoin’s scarcity is programmatic and therefore also time-based. In is therefore not implausible for a simple time-based model to continue to hold true in the future. The fact that the power-law fit works better and better in terms of the R^{2} measure in the log-log plot is an indication that this might indeed hold.”

Up to date log-log charts: https://price.bublina.eu.org/loglog https://charts.bitbo.io/long-term-power-law/