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.
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.
15/10/2006: New series of banknotes
Costa Rica introduced a new series of banknotes featuring enhanced security features to combat counterfeiting and modernize the colón currency.
21/05/1991: Free-floating exchange rate
Costa Rica transitioned to a floating exchange rate regime, allowing the colón's value to be determined by market forces.
09/11/1961: Introduction of the Monetary Reform
Costa Rica implemented a monetary reform, replacing the old colón with a new one at a rate of 1 to 100, to combat inflation.
30/11/1949: Abolition of the army
After the abolition of the army, the Costa Rican government focused on economic development, leading to stable monetary policies for the colón.
14/12/1917: Establishment of the Central Bank of Costa Rica
The Central Bank of Costa Rica was established to oversee monetary policy, including the management of the colón.
09/04/1896: Adoption of the gold standard
Costa Rica adopted the gold standard, pegging the value of the colón to gold, leading to currency stability.
18/03/1850: Introduction of the Costa Rican colón
The Costa Rican colón was officially introduced as the currency of Costa Rica to replace the Spanish real.