Confidential Blockchain
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ODYSSEY: Reestablishing Confidentiality in Confidential Blockchain via Delegated Execution
arXiv:2606.04892v1 Announce Type: new Abstract: Confidential blockchains leveraging Trusted Execution Environments (TEEs) have garnered extensive attention for transaction confidentiality. In this paper, we first taxonomize two classes of attacks against confidential blockchains, i.e., execution-inference and execution-replay attacks, which exploit TEEs' long-lasting side-channel and state-continuity issues to compromise the confidentiality of existing consortium blockchains. Then, we...
Google engineer accused of turning Year in Search secrets into Polymarket payday
A Google engineer from Zurich, Michele Spagnuolo, faces US charges for allegedly using confidential data from Google's Year in Search report to make profitable bets on the Polymarket platform. The Italian national is accused of making bets worth over $2.75 million, resulting in approximately $1.2 million in profits after the report was released. Spagnuolo faces charges including commodities fraud, wire fraud, and money laundering.