Reading Time: 7 minutes
The most important benefit that Bitcoin and Blockchain Technologies have brought to us is a low-entry barrier to deploy our own currency and financial ledger. This means that, now, we can easily implement the concepts of Free Banking.
Reading Time: 3 minutes
Coinfabrik was asked to audit the contracts for the RightMesh Token sale. In the first part, we will give a summary of our discoveries and follow them with the details of our findings. The contracts audited are from the RightMesh repository at https://github.com/firstcoincom/solidity. The audit is based on the commit f24ea6c5787b2d40423f4dc312d832592b1cd335 at branch master. Summary […]
Reading Time: 3 minutes
Coinfabrik was asked to audit the contracts for the Theta Token sale. In the first part, we will give a summary of our discoveries and follow them with the details of our findings. The contracts audited are from the Theta repository at https://github.com/thetatoken/theta-erc20-token-sale. The audit is based on the commit 46592ac461949fa793b9d0dc1f59df9bf7ea07f3 and updated to reflect […]
Reading Time: 3 minutes
Coinfabrik was hired to audit the contract in terms of its security. First of all, we will analyze the code and deliver a summary of the reviewed contract. After evaluating the contract, we will write a detailed description of our discoveries and proposed changes, followed by the conclusion. The audited contract is from the DMarket […]
Reading Time: 4 minutes
Coinfabrik smart contract security auditing team was asked to audit the contracts for the CDX platform. In the first part, we will give a summary of our discoveries and then the details of our findings. The contracts audited are from CDX’s repository at https://github.com/commodityadnetwork/CDX. The audit is based on the commit c05cf82983904b15a4b0ec790cce9e583d96bc0f. Summary The audited […]
Reading Time: 6 minutes
Cryptocurrency Exchanges Anyone who wants to get into the cryptocurrency market and does not want to mine blocks needs to exchange his fiat money at an exchange, the only alternative to this is to get cryptocurrency from another holder. Centralized exchanges like Bitfinex, Coinbase, Kraken, Poloniex or Shapeshift intermediate the bid and offer matching process […]
Reading Time: 6 minutes
CoinFabrik’s Smart Contract Audit team audited WorldBit Token sale ICO’s smart contracts. The contracts audited are taken from the WorldBit repository on https://github.com/CoinFabrik/ico/tree/world-bit. The audit is based on the commit 445cc0c28894a85cb58f54631666deafdd35d859, and updated to reflect changes on 21abcc3bde6d64d4aee391544fc9332fc9f2749d. Summary The audited contracts are: ERC20Basic: non-approval half of ERC20 interface. ERC20: Full ERC20 interface. FractionalERC20: Full ERC20 interface […]
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We are compiling a list of recent technologies developments in the blockchain sector. Our focus is mostly on projects which promise scalability, but includes also proposals which aim to overcome some deficiencies in Bitcoin´s PoW based blockchain, e.g. which aim to improve fairness, usefulness, or privacy. You can find the current state of our work […]
Reading Time: 4 minutes
It is important to have an estimate of risk for a portfolio when trading with financial assets. Two basic and commonly used risk measures are value-at-risk and expected shortfall. We will illustrate the two concepts with an example and provide the necessary R code to actually calculate the values of both measures. If we take […]
Reading Time: 4 minutes
By Sergio Demian Lerner Executive Summary In August 2017, REAL engaged Coinfabrik smart contract audit team to perform a security audit of the REAL crowdsale smart contracts. The purpose of the audit was to evaluate the security of the smart contracts. The source code was retrieved by Coinfabrik from https://github.com/RealEstateAssetLedger/real_contract commit e8af021445785ad0e36c54adf6568b079ec6293d on August 11th […]
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08-Ago-2018 Update: Removed update and queries point to CoinFabrik servers to solve quota issues in both Google and Crypto APIs. You can get the spreadsheet here. To create your own version go to ‘File’ -> ‘Make a copy’. Keep updated on my Twitter account. Thanks to the smart contract development team.
Reading Time: 3 minutes
CoinFabrik smart contract audit‘s team was hired to audit contracts written by TokenMarket for the PTOY Token ICO. The result of this security review is reflected in this document. Audited Files The contracts we audited are hosted at Github repository: MintableToken.sol CrowdsaleToken.sol ReleasableToken.sol UpgradeableToken.sol Commit hash f968cffe1abf4a3d96d6705ec1befd6cfec13ae3. Vulnerabilities Found Short Address Attack The version reviewed […]