Below is a list of fun/interesting things in the Bitcoin blockchain. Some are historical firsts, others are just fun or cool.
| Date | Description | Link | Reference |
|---|---|---|---|
| 2009-01-03 | The Bitcoin Genesis Block. | Block #0 | en.bitcoin.it |
| 2009-01-03 | The coinbase transaction of the Genesis Block. | Tx 4a5e1e4baab89f3a32518a8... | github.com |
| 2009-01-12 | First block containing a (non-coinbase) transaction. | Block #170 | bitcointalk.org |
| 2009-01-12 | The first transfer of bitcoin. | Tx f4184fc596403b9d638783c... | - |
| 2009-10-12 | First bitcoin traded for fiat currency. | Tx 7dff938918f07619abd38e4... | twitter.com |
| 2010-05-22 | The 'Bitcoin Pizza' transaction. | Tx a1075db55d416d3ca199f55... | bitcointalk.org |
| 2010-11-14 | Duplicated coinbase transaction #1 | Tx e3bf3d07d4b0375638d5f1d... | bitcoin.stackexchange.com |
| 2010-11-14 | Duplicated coinbase transaction #2 | Tx d5d27987d2a3dfc724e3598... | bitcoin.stackexchange.com |
| 2011-05-18 | Destroyed bitcoin. | Tx 5d80a29be1609db91658b40... | bitcointalk.org |
| 2011-12-03 | Brainwallet address for 'Satoshi Nakamoto' | Address 1JryTePceSiWVpoNBU... | twitter.com |
| 2012-11-28 | First block of subsidy era #2 (25 BTC). | Block #210000 | github.com |
| 2014-06-16 | Star Wars: A New Hope | Tx 143a3d7e7599557f9d63e7f... | - |
| 2016-07-09 | First block of subsidy era #3 (12.5 BTC). | Block #420000 | github.com |
| 2017-08-24 | First SegWit block. | Block #481824 | twitter.com |
| 2017-08-24 | First SegWit transaction. | Tx 8f907925d2ebe48765103e6... | twitter.com |
| 2017-08-25 | First block mined that was greater than 1MB. | Block #481947 | en.bit.news |
| 2017-12-30 | Block reward lost | Tx 9bf8853b3a823bbfa1e5401... | bitcoin.stackexchange.com |
| 2018-01-20 | First block mined that was greater than 2MB. | Block #505225 | twitter.com |
| 2020-03-11 | 500+ million USD transferred for < 1 USD fee (2020 prices). | Tx eeea72f5c9fe07178013eac... | - |
| 2020-05-11 | 'Times 09/Apr/2020 With $2.3T Injection, Fed's Plan Far Exceeds 2008 Rescue' | Block #629999 | - |
| 2020-05-11 | First block of subsidy era #4 (6.25 BTC). | Block #630000 | github.com |
| 2020-05-20 | Very old coins (mined ~1 month after genesis) move unexpectedly, causing uproar | Tx cb1440c787d8a4697788640... | twitter.com |