Using the CardContact SmartCard USB HSM in an Ethereum PoA Chain

Reading Time: 4 minutes

After testing the performance of Ethereum using PoA, we tested the usability of the CardContact SmartCard-HSM USB token on an ethereum Proof of Authority network. The HSM allows to store and use multiple encryption keys, both RSA and Elliptic Curves (including secp256k1), for applications like issuing certificates as a CA, and with any application that […]

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 […]

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DMToken Security Audit V2 2019 Updated

Reading Time: 2 minutes

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.
The contract audited is at address 0x2ccbff3a042c68716ed2a2cb0c544a9f1d1935e1. The contract was deployed at transaction 0x111287826ad158a7ae11a9893f03e9e8998ed7b2bac061c83bed7b68e1958a6d.

Some Insights into Cardano ´s Blockchain

Reading Time: 5 minutes

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 blockchain on the basis of the nodes’ amount of stake.

An Efficient Algorithm to Exploit Arbitrage Opportunities in Crypto Markets

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 […]

A Summary of Satis Group’s Latest Cryptoasset Valuation Report

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 […]