Talking Transactions: Decentralized Communication through Ethereum Input Data Messages (IDMs)

Can you imagine, blockchain transactions can talk! In this paper, we study how they talk and what they talk about. We focus on the input data field of Ethereum transactions, which is designed to allow external callers to interact with smart contracts. In practice, this field also enables users to...

Add members to the not yet created community

Lines of code Vulnerability details Impact There is a addMember function in the Community. The function accepts data that should be signed by the community.owner and newMemberAddr. // Compute hash from bytes bytes32 hash = keccak256data; // Decode params from data uint256 communityID, address...

[SECURITY] Fedora 29 Update: igraph-0.7.1-12.fc29

igraph wants to be an efficient platform for 1 complex network analysis and 2 developing and implementing graph algorithms. It provides flexible and efficient data structures for graphs and related tasks. It also provides implementation to many classic and new graph algorithms like: maximum flows...

[SECURITY] Fedora 30 Update: igraph-0.7.1-12.fc30

igraph wants to be an efficient platform for 1 complex network analysis and 2 developing and implementing graph algorithms. It provides flexible and efficient data structures for graphs and related tasks. It also provides implementation to many classic and new graph algorithms like: maximum flows...