The journey to Istanbul is about to begin. Most of the passengers have boarded the flight but the door closing may be delayed for passengers who already have checked in but not reached to the gate yet. This is the current status of Ethereum's 'Flight to Istanbul', where EIPs are the passengers. The Istanbul upgrade Ethereum developers and community members are now preparing for the next upgrade - Istanbul. Constantinople upgrade witnessed a few hiccups....
US Department of Treasury built an Ethereum-based PoC for asset tracking; SEC approves first ICO portal; Facebook Updating Ad Policies; Bitfinex raised 1b USD in a private sale; Enterprise Ethereum Client Specification V3; MolochDAO and more......
(Blockchain Weekly Recap) News World news Facebook Building Cryptocurrency-Based Payments System. Social-media giant is recruiting financial firms, merchants to help launch payments platform. Singapore Students graduating from local schools to receive digital certificates using blockchain technology. BreakerMag is shutting down Tether Lawyer Admits Stablecoin Now 74% Backed by Cash and Equivalents Square’s Bitcoin Revenue Jumped to $65.5 Million in Q1, Its Highest Ever Ethereum news Kavita Gupta step down ConsenSysVC ConsenSys Monthly Report...
ProgPOW audit funded; Vitalik Buterin Proposes Doubling Staking Rewards; Finland Begins Regulating Crypto Service Providers; regulation of cryptocurrency in Brazil ;FedEx says it’s time to mandate blockchain for international shipping and more......
Elon Musk says "Paper money is going away; PayPal and its first blockchain investment; Ethereum Name Service AMA and more......
Avnet Accepts Crypto Payments; UK Parliament Presented Showcase of Real-World Blockchain Applications; EF discontinues Mist; ProgPOW Clarification on the Acceptance and more......
(Blockchain Weekly Recap) News World news DocuSign Can Now Trigger Clause Smart Contracts, Co. Preps For Paid Clients SEC Staff to Hold Fintech Forum to Discuss Distributed Ledger Technology and Digital Assets. Forum To Be Held on May 31 at SEC Headquarters. Canada Proposes Regulatory Framework for Cryptocurrency Exchanges Fundación Castro Limón in Tijuana, Mexico, a Nonprofit Children’s Hospital Now Accepts Crypto Donations Via Giveth and Alibre Tokyo crypto-cops nab their first cryptocurrency hacker:...
Web3 provides some very useful APIs by which you can subscribe to the events on Ethereum blockchain. Web3 is a JavaScript library which interact with Ethereum node over RPC. Let's walk through a couple of subscription APIs. Watching Events Web3 can be used on browser as well as server side. This example is going to use Nodejs on server side. Also, I've used Ubuntu to do this example but it should be valid for Windows...
Switzerland's Main Stock Exchange Launches Ethereum ETP Trading; South Korean authorities create Task Force to prevent cryptocurrency crimes; Nevada is working towards friendliest blockchain states; eToro launches crypto exchange in US and more......
Constantinople upgrade successfully done; Coinhive will shut down all on March 8; XRP available on Coinbase Pro; GSR to Cut Overstock tZERO Investment; Federal Cryptocurrency Bill Tracker and more......
Samsung Galaxy S10 Includes Crypto Key Storage; Univ of Michigan Invests in Crypto Fund; UN World Food uses Ethereum to aid 100,000 refugees; India Inaugurates National Crypto Forensic Lab; Constantinople/St. Petersburg Upgrade Announcement; AMA Ethereum Leadership and Accountability and more......
JP Morgan introduces JPM Coin for payments; Mozilla to add cryptomining blocking; Constantinople fork on Feb 27/28; Nasdaq to Add Bitcoin and Ethereum Indices; Twitter and Square CEO Jack Dorsey Says Bitcoin’s Lightning Is Coming to Cash App; ProgPoW CarbonVote and more...
Facebook Acquisition With Chainspace; UnionBank launches cryptoATM; GridPlus Electricity Provider in Texas; Web 3.0 Opera Launches Instant Crypto Purchases; Quadriga founder death left US$145 million unretrievable; Ethereum Hardfork Naming Finals....
Geth stores all blockchain data in LevelDB database that stores value in key-value pair. We normally do not need to access these data files because geth provides many utilities to interact with underlying data structure. But, just to understand how geth stores data, let's hack a little bit....
Parity node attack vector discovered; cross-chain swaps between Stellar and Ethereum on testnet; Fidelity Plans to Launch of Bitcoin Custody Service in March; Harry Potter–themed cryptocurrency; ProgPoW update and more......
