diff --git a/Anonymous-Identities-for-Permissioned-Blockchains2.pdf b/Anonymous-Identities-for-Permissioned-Blockchains2.pdf
new file mode 100644
index 0000000..ce3262b
Binary files /dev/null and b/Anonymous-Identities-for-Permissioned-Blockchains2.pdf differ
diff --git a/Kadena-ConfidentialityWhitepaper-Aug2016.pdf b/Kadena-ConfidentialityWhitepaper-Aug2016.pdf
new file mode 100644
index 0000000..4b17e2a
Binary files /dev/null and b/Kadena-ConfidentialityWhitepaper-Aug2016.pdf differ
diff --git a/Permissioned-distributed-ledgers.pdf b/Permissioned-distributed-ledgers.pdf
new file mode 100644
index 0000000..b793619
Binary files /dev/null and b/Permissioned-distributed-ledgers.pdf differ
diff --git a/Private-BlockChain-in-automotive-Safety.pdf b/Private-BlockChain-in-automotive-Safety.pdf
new file mode 100644
index 0000000..c698058
Binary files /dev/null and b/Private-BlockChain-in-automotive-Safety.pdf differ
diff --git a/The Blockchain as a Software Connector.pdf b/The Blockchain as a Software Connector.pdf
new file mode 100644
index 0000000..df766c9
Binary files /dev/null and b/The Blockchain as a Software Connector.pdf differ