The official end of the Blocksize Wars. On August 1, 2017, Bitcoin users demonstrated their independence from miner control by successfully deploying a software upgrade through a user-activated soft fork (UASF) that circumvented uncooperative miners, making it clear that users (ie nodes), not miners or companies, control the rules of the Bitcoin network. If you want to learn more about this topic, we recommend the [Blocksize Wars Book](https://blog.bitmex.com/the-blocksize-war/)

Segregated Witness is officially locked in by the UASF client on the Bitcoin network.

On this day in 2011, Block 140,900 Coinkite is established.

Satoshi Nakamoto registered Bitcoin.org using Anonymousspeech.com on August 18, 2008, before the official release of Bitcoin’s whitepaper. It is the earliest known public timestamp associated with the inception of Bitcoin.

Satoshi Nakamoto contacted Adam Back on this day to let Adam Back know about the whitepaper Satoshi was working on and to confirm the correct citation information for Adam Back's Hashcash paper, which describes Proof of Work, as used by Bitcoin.

Today is Bitcoin Infinity Day: ∞/21M on 8/21!

On this day in 2017 at 1:57 UTC, Segwit activated on the Bitcoin mainnet at block height 481,824.

On this day in 2014, the first bitcoin bearer instrument, Opendime, is released.