diff --git a/SSA-CFG Yul - A new viaIR backend - Moritz Hoffman.pptx b/SSA-CFG Yul - A new viaIR backend - Moritz Hoffman.pptx
new file mode 100644
index 00000000..3abfe998
Binary files /dev/null and b/SSA-CFG Yul - A new viaIR backend - Moritz Hoffman.pptx differ
diff --git a/soldb - CLI tool for debugging Solidity and EVM rollups - Roman Mazur.pptx b/soldb - CLI tool for debugging Solidity and EVM rollups - Roman Mazur.pptx
new file mode 100644
index 00000000..156f910c
Binary files /dev/null and b/soldb - CLI tool for debugging Solidity and EVM rollups - Roman Mazur.pptx differ
diff --git a/solx, an LLVM-based Solidity toolchain - Oleksandr Zarudnyi.pptx b/solx, an LLVM-based Solidity toolchain - Oleksandr Zarudnyi.pptx
new file mode 100644
index 00000000..a0e87c6f
Binary files /dev/null and b/solx, an LLVM-based Solidity toolchain - Oleksandr Zarudnyi.pptx differ