Known Origin Digital Asset Audit

Reading Time: 7 minutes

Introduction CoinFabrik was asked to audit the contracts for the Known Origin Digital Asset v3 project. First we will provide a summary of our discoveries and then we will show the details of our findings. Summary The contracts audited are from the Known Origin Next Generation Project repository at this link(https://github.com/knownorigin/known-origin-contracts-next-gen). The audit started based […]

Censorship of Harmful Data in Blockchains

Reading Time: 17 minutes

Public blockchains allow insertion of arbitrary data. Even specific-purpose blockchains like Bitcoin already contain a lot of non-financial data. Although this data insertion can be beneficial in some use cases (e.g. proof of existence), it can also cause damage. If a blockchain contained videos with instructions on how to torture someone, there would immediately be broad consensus that this data must be deleted. But since blockchains are supposed to be immutable databases, the question is: what can be done if this happens?

Dogethereum State

Reading Time: 6 minutes

Catalina Juarros – Ismael Bejarano – Pablo Yabo Overview The Dogethereum bridge project purports to solve a problem presented by the Dogecoin community in 2015 and for which Alex van de Sande started a bounty: to exchange Dogecoins and Ethereum ERC20 tokens back and forth on a one-to-one basis in a decentralized manner. Such an […]

Comparison of PoS projects: Unbiased Leader Election

Reading Time: 7 minutes

Prior to the Bitcoin blockchain of “Satoshi Nakamoto”, distributed ledger systems were lacking two important properties which are essential for a decentralized digital cash system. The first property which existing distributed ledger systems were missing, was the ability to scale to a network of millions of users. And secondly, systems at the time were not permissionless