diff --git a/hack_lu_2018_Reversing_and_Vulnerability_research_of_Ethereum_Smart_Contracts.pdf b/hack_lu_2018_Reversing_and_Vulnerability_research_of_Ethereum_Smart_Contracts.pdf
new file mode 100644
index 0000000..a8a3150
Binary files /dev/null and b/hack_lu_2018_Reversing_and_Vulnerability_research_of_Ethereum_Smart_Contracts.pdf differ