Perspectives

Changing the feedback experience using positive psychology

One of the topics we focused on at OpenZeppelin this year was feedback. We feel that giving and receiving feedback is part of a healthy culture and we want to make sure that we are adding value while…

Bootstrapping a Developer Ecosystem with Zeppelin

Zeppelin’s suite of tools (OpenZeppelin, ZeppelinOS, ZepKit) provides a strong foundation to kickstart an ecosystem of decentralized systems.

A new wave of applications

Few blockchain applications have real adoption. It’s a fact. Barely a few surpass the low hundreds in terms of daily users.

Why I’m Building Zeppelin

The purpose of this post is to update my personal vision of Zeppelin and Zeppelin’s projects, as their founder and CTO. This is my own personal perspective, and some Zeppelin team members may not be…

The Global Coordination Machine

Few applications need blockchains. Distributed consensus makes each computational step very expensive. Only apps for which users are willing to pay such a cost will make sense in the new…

How We Can Improve the Structure of Founder’s Tokens

In A Path Toward Better Token Sales, we covered how token sales originally met a critical need in the blockchain industry: access to capital and distributing tokens to the community. As the industry…

Evolution of Smart Contract Security in the Ethereum Ecosystem

In May of 2016, Peter Vessenes analyzed a sample of smart contracts published online to assess their complexity and security. His conclusion: “Ethereum contracts are going to be candy for hackers.”…

The 4 Stages of a Token Sale

Token sales have emerged as a fundraising alternative to traditional venture capital. To this day, $380+ million have been raised through public token sales — 60% of which occurred in the past 2…

Handling Crowdsale Funds Securely

When developing a crowdsale smart contract, there are several options for handling the collection of funds. In this post, we’ll analyze the most common approaches, and try to assess their degree of…

HackerGold Bug Analysis

On Jan 4th, Zack Coburn submitted a vulnerability report on EtherCamp’s implementation of the StandardToken contract. EtherCamp, in developing their own implementation, inadvertently introduced a…