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comment by ThurberMingus
ThurberMingus  ·  3180 days ago  ·  link  ·    ·  parent  ·  post: Bitcoin's mempool is over 20 MB

A block size limit was implemented in 2010, at 1MB, which at that time had no effect on normal use, but made DDoS attacks very expensive.

The limit was never removed or raised.

Now after 6 years of growth the limit makes normal usage expensive and slow.

There has been a small push to fix the limit over the last year, but influential people have strongly opposed it due to ?? and potentially a chance at control maybe.