diff --git a/blockspace/README.md b/blockspace/README.md
index 4149955..8e090dc 100644
--- a/blockspace/README.md
+++ b/blockspace/README.md
@@ -7,3 +7,8 @@
 #### nft launches
 
 * a big project could increase demand for blockspace, so gas prices would spike during these mints. actors could buy a lot of blockspace derivatives for said date.
+
+
+#### block size manipulation
+
+* if a block is larger than the target block size, the base fee increases. a block builder can manipulate the size of the block to increase/decrease the base fee in the next bloxk.