During the Bitcoin Halving on May 11, the block reward that bitcoin miners receive for mining the next block in the blockchain halved. Shortly after, the hashrate of the bitcoin network declined by about a third, but that has already fully recovered. At this point, the hashrate is about the same height as the peak before the halving. Check mrbitcoinexchange.com for more information
As part of Bitcoin’s monetary policy, the block reward that bitcoin miners receive for mining new blocks halves every four years: the so-called Bitcoin Halvings. As a result, monetary inflation in the bitcoin economy is falling, but for the miners it is initially a bit of a swallow. After all, they see that the amount of bitcoins they can mine decreases by half by half, while they have to use the same amount of power.
Bitcoin halves can therefore cause some bitcoin miners to no longer be profitable after the halves and have to shut down their mining equipment. In that case, the miners’ combined computing power drops, usually expressed as the hashrate. This process acts as a kind of self-cleaning mechanism, leaving only the most efficient miners.
Shortly after the most recent Bitcoin Halving on May 11, we saw the hashrate drop sharply. Before halving, it was at its peak, but after that the network lost about a third of the total available computing power in a short time.
hashrate and transaction cost recovered bitinfohashrate The Bitcoin hashrate. Source: Bitinfocharts
That decline has now completely caught up and the hashrate is again about as high as before the Bitcoin Halving. Depending on how you measure it can also be slightly higher. The network is thus protected by approximately as much computing power as before.
The rapid decline in the hashrate temporarily caused some congestion on the network. If less computing power is available to mine, it also takes a little longer on average to find the next block. The transaction speed then decreases. In addition, a limited number of transactions fit in a block and when fewer blocks are found daily, the daily transaction capacity also decreases.
That also happened right after the most recent Bitcoin Halving. The size of the mempool, a sort of queue for transactions, increased as a result, which led to higher average transaction costs on the network through market forces.
However, those issues were temporary, as after 2016 blocks, the built-in Difficulty Adjustment Mechanism automatically adjusted the difficulty of mining to restore the block time of 10 minutes. There has been no congestion for a while and the transaction costs have also returned to the old level for some time now.