Slight chance of a shower in the late morning. Mostly sunny afternoon. Winds westerly 20 to 30 km/h tending southwesterly 15 to 25 km/h in the late afternoon then becoming light in the evening. Partly ...
Ever received a paper token from your next-door paan shop in lieu of a small change, which he would accept the next time you visit him? Imagine that token digitally, and that's your cryptocurrency.