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Simple Refactoring with Solidity (reducing Gas cost)
The classic movie line goes something like “I love the smell of refactoring in the morning” right? That’s how I remember it. I was looking into a customer’s code base recently and although my task was simply to assure the code worked as intended, I couldn’t stop but think that a little refactoring would go…
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How to get the Token balance, amount of Ether and transactions info of an Ethereum account using Web3
This post is the continuation of: How to call methods of Ethereum Smart-Contracts from WordPress with MetaMask, Web3 and Javascript How to call methods of Ethereum Smart-Contracts from WordPress with MetaMask, Web3 and Javascript (PART II) How to store information in Ethereum with Smart-Contracts How to read storage data from an Ethereum Smart-Contract using Web3…
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How to read storage data from an Ethereum Smart-Contract using Web3 and MetaMask
This post is the continuation of: How to call methods of Ethereum Smart-Contracts from WordPress with MetaMask, Web3 and Javascript How to call methods of Ethereum Smart-Contracts from WordPress with MetaMask, Web3 and Javascript (PART II) How to store information in Ethereum with Smart-Contracts In this post we want to see/obtain or get the info…
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Workshop en Barcelona: Cómo invertir con BITCOIN y ETHEREUM
Código curso: 10092 Fabricante: KNOWTECH Especialidad: workshop Nivel: Intermedio Duración: 3 horas Precio: 60 € BLOCKCHAIN , BITCOIN , ETHEREUM , TOKEN , GNOSIS , GOLEMS , RIPPLE , WORKSHOP Descripción BlockChain está aquí y ha venido para quedarse. Que mejor introducción que la siguiente: En 2009, un hombre de Noruega compró 27$ en Bitcoins mientras escribía una tesis sobre encriptación, y luego se olvidó de ellos… 4 años después, después de que Bitcoin subiera…
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How to test your smart-contract methods with Metamask & Ethereum
There is a Web3 Dapp that uses MetaMask to try the methods of your smart-contract on Ethereum. In this Dapp also you can create a simple Token contract (but don’t verify it). Try it here (it’s very simple and easy!)
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In Ethereum Smart-Contracts for ICOs a Bug Bounty is a must
The code review of a Ethereum smart-contract is not enough to ensure the security of the contract. A Bug bounty program is essential for a the good of the ICO processes. For example, the Aragon Token Network team is a good example of a public Bug Bounty, see it. Now there is a platform called…
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Ethereum ICO Smart-contracts secure templates
In previous days we talk about: Creating my first Ethereum Smart-Contract in Test net Creating MrAddon token in Ethereum Today I see a very amazing post about How expensive is making a ICO smart-contract with Solidity, see Basically you can write your own contract using a secure Template. We can obtain these templates from this…
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www.MrAddon.com ®: Jira & Confluence Administration Support Blog & Ethereum Dev Blog - [www.MrAddon.blog] ® 