Mining
MiningNotable
Chinese Pools Control Majority of Hash Rate
Mining pools in China briefly exceeded 50% of global hash rate.
Cheap electricity and hardware supply chains concentrated mining in China through the mid-2010s, raising decentralization concerns that would intensify until the 2021 mining exodus.
Tags
#china#mining#hashrate
What else happened around this time?
SecurityMajor
Bitstamp Hack — 19,000 BTC
Major exchange loses 19,000 BTC from hot wallet.
BTC $280#bitstamp#hack
PriceMajor
2015 Bear Market Bottom — $170
Bitcoin bottoms near $170 after Mt. Gox collapse.
BTC $170#bear-market#bottom
ExchangesMajor
Coinbase Raises $75M Series C
DFJ Growth leads major Coinbase funding round.
BTC $230#coinbase#venture-capital
ProtocolMajor
CoinWallet Spam Attack
Deliberate transaction flood clogs the mempool to push for bigger blocks.
#spam#block-size