diff --git a/braindump.md b/braindump.md
index 2829d08..c5a62b0 100644
--- a/braindump.md
+++ b/braindump.md
@@ -74,6 +74,11 @@
 - Ring Buffers
 - Merkle Trees
 - Consensus algorithms
+- Directed Acyclic Graphs
+- Binary Trees
+- Skip lists
+- Bloom filters
+- Hashmaps
 
 ## Filesystems Terms:
 - Journalling
@@ -99,12 +104,14 @@
 - NAT
 - P2P
 
-## Cryptography and Error Correction Terms:
+## Cryptography, Hashing and Error Correction Terms:
 - PKCS
 - RSA
 - SHA
 - ECC
-- CRC
+- CRC Family
+- FNV
+- Pseudorandom numbers
 
 ## Compression Terms:
 - Burrows-Wheeler Transform
@@ -133,6 +140,10 @@
 ## UI/UX Terms:
 - Dark Patterns
 
+## Number Theory Terms:
+(should this be embedded in other topics?)
+- Birthday Paradox
+
 # Needed Glossary Terms
 ## HTTP to PHY Terms:
 - HTTP