As indicated in the code comments, I am treating 14400 blocks (~6 seconds/block) as one day.

After preparing an intermediate table with the initial funding blocks for all THORChain addresses in THORChain's full history, I selected those with initial funding blocks within the range of interest.

The first TERRA.LUNA swap was at 2022-03-25 20:10:21.155, and the first TERRA.UST swap was at 2022-03-25 20:16:00.836 . Within the time range from 10 days before to 10 days after these times, 5716 distinct addresses were initially funded, of which half (2858) had been initially funded by 2022-03-26 13:38:44.642, being within the first 11 days of this 20-day time range.

Below I display a cumulative chart of new addresses added, using the right y-axis for block ID as a straight line for comparison. This shows how March 16th to March 22 was relatively steady, followed by a lull until late March 25th (Terra integration), followed by a greater rate of increase than in March 16th-22nd.

This perhaps represents either people waiting until Terra integration before funding a THORChain address, or hastening to prepare THORChain addresses a few days before Terra integration (in light of not knowing the exact integration date beforehand).

To investigate these possibilities, I here display a cumulative chart of new addresses added between 10 days before Dogecoin blockchain integration and 10 days after Terra blockchain integration. This clearly shows a steady rate of address initial funding from January 7th to March 1st, after which initial funding rate sharply ramps upward; notably, the turn corresponds closely with the March 9th first synth transactions.

Finally, I similarly display the period of time only between the first synth transaction and the first UST swap. If anything, this shows an increase in address-initial-funding rate between March 18th and March 22nd (plausibly in anticipation of Terra integration), roughly corresponding to the March 16th-22nd 'relatively steady' rate at the beginning of the 10 days before and after Terra integration which was considered in the first chart displayed.

TLDR takeaway: After synths' activation rate of new-address funding was far higher, and there were also slight rate increases in March 18th-22nd (3 days before March 25th Terra blockchain integration) and in the two days immediately following the Terra blockchain integration, plausibly due to people preparing THORChain addresses in advance and others funding them immediately afterward.