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Daily Morse code challenge

The daily Morse code challenge is identical for everyone on the same UTC date: 8 lines at a fixed speed and pass mark, generated in your browser from the date itself. You get one attempt a day, it works offline, and your streak counts the days you showed up rather than the days you passed.

Daily wire
Tuning in to today’s wire

Common questions

How is the daily Morse code challenge the same for everyone?
The date is the seed. Every browser runs the same generator over the same UTC date and gets the same 8 lines, the same speed and the same pass mark. Nothing has to be fetched, so the daily Morse code challenge works offline, and there is no server that can go down or start charging.
Why does the daily Morse challenge use UTC and not my local day?
Your practice streak uses your local day, deliberately, so going to bed late does not cost you a day. A shared challenge is a different question: it only works if today means the same thing in Istanbul and in Los Angeles, so the streak is yours and the daily challenge is everyone's.
What does the shared daily challenge result show?
One square per line, how many lines cleared the bar, your accuracy and your streak. The shared result of the daily Morse code challenge never includes the text of a line, so posting it in the morning spoils nothing for someone who plays at night.
What happens if I miss the bar on the daily challenge?
Nothing is lost. The daily challenge streak counts attempts, not passes, because showing up is the only thing a streak is any good at encouraging. If the speed is the problem, set your own in copy practice and work up to the daily speed from there.