Flight to 'Istanbul' - Ethereum's upcoming upgrade

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....

EtherWorld's weekly: May 06, 2019

(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...

EtherWorld's weekly: April 01, 2019

Dear Reader, With immense pleasure, I welcome you to join us in the celebration of 100th edition of EtherWorld's Blockchain Weekly. Looking back at Edition 01, EtherWorld started with a mission of creating awareness about the blockchain technology and brought a lot of learning for myself (as an individual) too. We've been sharing blockchain technical articles, news and project updates for about 2 years. We've been trying to contribute to the community within our capacity...

EtherWorld's weekly: March 17, 2019

(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 subscription APIs and watching birth of CryptoKitty

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...

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