Reading Time: 6 minutes
Lately, there has been a lot of talk about permissioned blockchains, in which only certain entities have the authority to validate transactions and generate blocks. The use of these technologies is currently highly required by different companies, since it allows them to store data in a decentralized way and show complete transparency in all their […]
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 […]
Reading Time: 2 minutes
Introduction Coinfabrik has been hired to audit the DMToken smart contract. First of all, we will describe what is the analysis performed by our team. Next, we will provide a summary of our discoveries and we will detail all our findings. And at the end, we will express our opinion in the conclusion. Summary The […]
Reading Time: 2 minutes
Following our Smart Contract Auditing: Human vs. Machine article, we now analyze Slither, which is another static analysis tool from Trail of Bits. It includes aids for contract summaries, which can be helpful for making a mental model of the contract and rechecking assumptions. Considering the ease of use, it’s a good idea to try […]
Reading Time: 5 minutes
Introduction In this blog post, we present a high-level overview of the paper describing the Ouroboros Proof of Stake protocol implemented in Cardano´s blockchain. After the overview follow some comments about theoretical aspects of the protocol. In general, Proof of Stake (PoS) consensus protocols elect the network nodes responsible to send the next block to the […]
Reading Time: 4 minutes
In this article we are benchmarking several auditing tools. The smart contract security audit is a critical phase in the development of smart contracts. The DAO hack was just one trip in the odyssey to secure Ethereum smart contracts and compatible blockchains like RSK and Cardano. It is important to highlight that back in 2016 […]
Reading Time: 3 minutes
The crypto market is still inefficient. Cryptoassets have different rates on different exchanges. The big question is how we can profit from that inefficiency. One approach is making transactions between exchanges, but if we buy a cryptoasset on one exchange, by the time we can sell it on another, the price difference may no longer […]
Reading Time: 3 minutes
Prediction markets are a special kind of betting platforms that can be used for multiple purposes ranging from insuring a crop from bad weather to predicting the outcome of an event based on the wisdom of the crowd. Among other popular uses of prediction markets are hedging an investment, shorting the market, creating a futures […]
Reading Time: 6 minutes
Introduction Coinfabrik has been hired to audit the EasyPool smart contracts. We start this PDF report writing a summary with the smart contracts provided by the client and a list of the analysis methods used to audit the contracts. Next, we detailed our findings ordering the issues by severity, followed by all the observations we […]
Reading Time: 3 minutes
In this article we review the main ideas presented in the last cryptoassets valuation Satis Group’s article published by Bloomberg. Satis Group is an ICO advisory firm which has helped model one of the first bitcoin valuation in 2014. According to their report, the cryptoassets ecosystem forecast is promising. Bitcoin and Monero cryptocurrencies are both expected […]
Reading Time: 2 minutes
The second stage of the Dogethereum bridge was presented on September 5, 2018 at 10 am (PT) and live streamed. The bridge uses “superblocks” to move coins from Dogecoin to Ethereum and collateralization to move coins from Ethereum to Dogecoin. We are excited because this innovation can also be used to bridge other blockchain pairs. […]
Reading Time: 2 minutes
Thanks to the invention of cryptocurrencies a new kind of financial product has been made possible, the crypto-backed loans. Following is a brief comparison of 10 platforms that providing access to it. As we can see by looking at the table the options vary greatly respect to the interest rates, platforms fees, and currencies accepted. […]