28/07/2020: Ethereum 2.0 Testnet Launch
The Beacon Chain, the first phase of Ethereum 2.0, goes live on a public testnet, marking a significant step towards the transition to a proof-of-stake consensus mechanism.
20/07/2017: Ethereum Hard Forks: Byzantium
The Ethereum network undergoes a hard fork upgrade named Byzantium, implementing various improvements to enhance scalability, privacy, and security.
17/06/2016: The DAO Hack
The Decentralized Autonomous Organization (DAO), built on the Ethereum platform, suffers a major security breach, resulting in the theft of approximately 3.6 million ETH tokens.
30/07/2015: Ethereum Mainnet Launched
The Ethereum mainnet is released, enabling developers around the world to build and deploy decentralized applications on the Ethereum blockchain.
30/07/2013: Ethereum Whitepaper Published
Vitalik Buterin publishes the Ethereum whitepaper, outlining a new blockchain platform designed to support decentralized applications and smart contracts.
01/07/2013: Exchange rate unification
North Korea unifies the official exchange rate and market rate, resulting in a significant depreciation of the won.
30/11/2009: Currency revaluation
North Korean government announces a currency revaluation, replacing the old won notes at a ratio of 1 for 100.
03/01/2009: Bitcoin Genesis Block Created
The first block of the Bitcoin blockchain, known as the Genesis Block, is mined by Satoshi Nakamoto, marking the birth of the Bitcoin network.
31/10/2008: Bitcoin Whitepaper Published
Satoshi Nakamoto releases a whitepaper titled 'Bitcoin: A Peer-to-Peer Electronic Cash System,' introducing the concept of a decentralized digital currency.
01/12/2001: Currency redenomination
North Korean won is redenominated, with the previous notes and coins being replaced by new ones at a ratio of 1 for 1,000.
25/02/1992: Introducing foreign exchange certificates
North Korea introduces foreign exchange certificates to counter hyperinflation and stabilize its economy.
06/12/1979: Second major revaluation
North Korean won undergoes its second major revaluation, with the exchange rate being set at 1 for 10.
31/12/1959: First major revaluation
North Korean won undergoes its first major revaluation, with the exchange rate being set at 1 for 100.
06/12/1947: Introduction of North Korean won
North Korean won is introduced as the official currency of North Korea, replacing the Korean yen at par value.