1000 Bitcoins untouched since 2010 came out 11 years after wallet

A total of 1,000 BTC, which was acquired through mining in 2010, was moved for the first time in the morning hours of February 28, after an 11-year hiatus.

According to the data of BTCparser, the BTCs in question were mined in August, September and October of 2010 and have been kept in mining wallets since then. Below, you can see that 50 BTC, which is part of the whole 1000 BTC, took action yesterday for the first time after 11 years:
Source: BitInfoCharts
In this way, 50 BTCs were transferred from 20 different wallets to different addresses. As it is known, until the block reward halving in 2012, the amount of reward miners received per block in Bitcoin was 50 BTC. In 2012, this award fell to 25 BTC.

This Bitcoin miner, whose identity is unknown, also owned the same amount of BTC, different cryptocurrencies Bitcoin Cash and Bitcoin Gold created by forking from Bitcoin in 2017 and later.

Since Black Thursday, it has spent 9000 BTC
On the other hand, according to a deeper study by News.Bitcoin.com, the same Bitcoin miner has spent 180 block rewards since March 12, 2020, which is called "Black Thursday", and their total corresponds to 9000 BTC. 9000 BTC is worth $ 400 million at current prices.