diff --git a/README.md b/README.md old mode 100644 new mode 100755 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 old mode 100644 new mode 100755 diff --git a/rev.py b/rev.py old mode 100644 new mode 100755