Ok. I was also thinking, that if a substantial part of his txs gets confirmed, then that one
guy alone probably added several megabytes to the blockchain within merely a month.
bets seems wrongheaded in hindsight.
percent transaction fee to spend it. What it is useful for is proving that a losing bet was
processed correctly, otherwise there's no easy way to tell the difference between a losing bet
and a failure to pay out a winning bet due to technical problems.
Still it feels like spamming the blockchain in the long run. There have been discussions about
embedding messages in transactions and all responsible service-providers (fortunately) refuse
to do it, but single satoshis are still being spammed into the blockchain in large numbers
essentially for "message passing purposes".