diff --git a/10_0_Introducing_Bitcoin_Scripts.md b/11_0_Introducing_Bitcoin_Scripts.md
similarity index 100%
rename from 10_0_Introducing_Bitcoin_Scripts.md
rename to 11_0_Introducing_Bitcoin_Scripts.md
diff --git a/10_1_Understanding_the_Foundation_of_Transactions.md b/11_1_Understanding_the_Foundation_of_Transactions.md
similarity index 100%
rename from 10_1_Understanding_the_Foundation_of_Transactions.md
rename to 11_1_Understanding_the_Foundation_of_Transactions.md
diff --git a/10_2_Running_a_Bitcoin_Script.md b/11_2_Running_a_Bitcoin_Script.md
similarity index 100%
rename from 10_2_Running_a_Bitcoin_Script.md
rename to 11_2_Running_a_Bitcoin_Script.md
diff --git a/10_3_Testing_a_Bitcoin_Script.md b/11_3_Testing_a_Bitcoin_Script.md
similarity index 100%
rename from 10_3_Testing_a_Bitcoin_Script.md
rename to 11_3_Testing_a_Bitcoin_Script.md
diff --git a/10_4_Scripting_a_P2PKH.md b/11_4_Scripting_a_P2PKH.md
similarity index 100%
rename from 10_4_Scripting_a_P2PKH.md
rename to 11_4_Scripting_a_P2PKH.md
diff --git a/10_5_Scripting_a_P2WPKH.md b/11_5_Scripting_a_P2WPKH.md
similarity index 100%
rename from 10_5_Scripting_a_P2WPKH.md
rename to 11_5_Scripting_a_P2WPKH.md
diff --git a/11_0_Embedding_Bitcoin_Scripts_in_P2SH_Transactions.md b/12_0_Embedding_Bitcoin_Scripts_in_P2SH_Transactions.md
similarity index 100%
rename from 11_0_Embedding_Bitcoin_Scripts_in_P2SH_Transactions.md
rename to 12_0_Embedding_Bitcoin_Scripts_in_P2SH_Transactions.md
diff --git a/11_1_Understanding_the_Foundation_of_P2SH.md b/12_1_Understanding_the_Foundation_of_P2SH.md
similarity index 100%
rename from 11_1_Understanding_the_Foundation_of_P2SH.md
rename to 12_1_Understanding_the_Foundation_of_P2SH.md
diff --git a/11_2_Building_the_Structure_of_P2SH.md b/12_2_Building_the_Structure_of_P2SH.md
similarity index 100%
rename from 11_2_Building_the_Structure_of_P2SH.md
rename to 12_2_Building_the_Structure_of_P2SH.md
diff --git a/11_3_Running_a_Bitcoin_Script_with_P2SH.md b/12_3_Running_a_Bitcoin_Script_with_P2SH.md
similarity index 100%
rename from 11_3_Running_a_Bitcoin_Script_with_P2SH.md
rename to 12_3_Running_a_Bitcoin_Script_with_P2SH.md
diff --git a/11_4_Scripting_a_Multisig.md b/12_4_Scripting_a_Multisig.md
similarity index 100%
rename from 11_4_Scripting_a_Multisig.md
rename to 12_4_Scripting_a_Multisig.md
diff --git a/11_5_Scripting_a_Segwit_Script.md b/12_5_Scripting_a_Segwit_Script.md
similarity index 100%
rename from 11_5_Scripting_a_Segwit_Script.md
rename to 12_5_Scripting_a_Segwit_Script.md
diff --git a/11_6_Spending_a_P2SH_Transaction.md b/12_6_Spending_a_P2SH_Transaction.md
similarity index 100%
rename from 11_6_Spending_a_P2SH_Transaction.md
rename to 12_6_Spending_a_P2SH_Transaction.md
diff --git a/12_0_Empowering_Timelock_with_Bitcoin_Scripts.md b/13_0_Empowering_Timelock_with_Bitcoin_Scripts.md
similarity index 100%
rename from 12_0_Empowering_Timelock_with_Bitcoin_Scripts.md
rename to 13_0_Empowering_Timelock_with_Bitcoin_Scripts.md
diff --git a/12_1_Understanding_Timelock_Options.md b/13_1_Understanding_Timelock_Options.md
similarity index 100%
rename from 12_1_Understanding_Timelock_Options.md
rename to 13_1_Understanding_Timelock_Options.md
diff --git a/12_2_Using_CLTV_in_Scripts.md b/13_2_Using_CLTV_in_Scripts.md
similarity index 100%
rename from 12_2_Using_CLTV_in_Scripts.md
rename to 13_2_Using_CLTV_in_Scripts.md
diff --git a/12_3_Using_CSV_in_Scripts.md b/13_3_Using_CSV_in_Scripts.md
similarity index 100%
rename from 12_3_Using_CSV_in_Scripts.md
rename to 13_3_Using_CSV_in_Scripts.md
diff --git a/13_0_Expanding_Bitcoin_Scripts.md b/14_0_Expanding_Bitcoin_Scripts.md
similarity index 100%
rename from 13_0_Expanding_Bitcoin_Scripts.md
rename to 14_0_Expanding_Bitcoin_Scripts.md
diff --git a/13_1_Using_Script_Conditionals.md b/14_1_Using_Script_Conditionals.md
similarity index 100%
rename from 13_1_Using_Script_Conditionals.md
rename to 14_1_Using_Script_Conditionals.md
diff --git a/13_2_Using_Other_Script_Commands.md b/14_2_Using_Other_Script_Commands.md
similarity index 100%
rename from 13_2_Using_Other_Script_Commands.md
rename to 14_2_Using_Other_Script_Commands.md
diff --git a/14_0_Designing_Real_Bitcoin_Scripts.md b/15_0_Designing_Real_Bitcoin_Scripts.md
similarity index 100%
rename from 14_0_Designing_Real_Bitcoin_Scripts.md
rename to 15_0_Designing_Real_Bitcoin_Scripts.md
diff --git a/14_1_Writing_Puzzle_Scripts.md b/15_1_Writing_Puzzle_Scripts.md
similarity index 100%
rename from 14_1_Writing_Puzzle_Scripts.md
rename to 15_1_Writing_Puzzle_Scripts.md
diff --git a/14_2_Writing_Complex_Multisig_Scripts.md b/15_2_Writing_Complex_Multisig_Scripts.md
similarity index 100%
rename from 14_2_Writing_Complex_Multisig_Scripts.md
rename to 15_2_Writing_Complex_Multisig_Scripts.md
diff --git a/14_3_Empowering_Bitcoin_with_Scripts.md b/15_3_Empowering_Bitcoin_with_Scripts.md
similarity index 100%
rename from 14_3_Empowering_Bitcoin_with_Scripts.md
rename to 15_3_Empowering_Bitcoin_with_Scripts.md
diff --git a/15_0_Using_Tor.md b/16_0_Using_Tor.md
similarity index 100%
rename from 15_0_Using_Tor.md
rename to 16_0_Using_Tor.md
diff --git a/15_1_Verifying_Your_Tor_Setup.md b/16_1_Verifying_Your_Tor_Setup.md
similarity index 100%
rename from 15_1_Verifying_Your_Tor_Setup.md
rename to 16_1_Verifying_Your_Tor_Setup.md
diff --git a/15_2_Changing_Your_Bitcoin_Hidden_Services.md b/16_2_Changing_Your_Bitcoin_Hidden_Services.md
similarity index 100%
rename from 15_2_Changing_Your_Bitcoin_Hidden_Services.md
rename to 16_2_Changing_Your_Bitcoin_Hidden_Services.md
diff --git a/15_3_Adding_SSH_Hidden_Services.md b/16_3_Adding_SSH_Hidden_Services.md
similarity index 100%
rename from 15_3_Adding_SSH_Hidden_Services.md
rename to 16_3_Adding_SSH_Hidden_Services.md
diff --git a/16_0_Using_i2p.md b/17_0_Using_i2p.md
similarity index 100%
rename from 16_0_Using_i2p.md
rename to 17_0_Using_i2p.md
diff --git a/16_1_i2p_service.md b/17_1_i2p_service.md
similarity index 100%
rename from 16_1_i2p_service.md
rename to 17_1_i2p_service.md