diff --git a/chapters/01_intro.md b/chapters/01_intro.md
index 650ea679..d1dbaa95 100644
--- a/chapters/01_intro.md
+++ b/chapters/01_intro.md
@@ -109,6 +109,14 @@
* While Ethereum uses the EVM (Ethereum Virtual Machine) and other blockchains use WASM (Web Assembly), Solana uses a VM called Berkeley Packet Filter (BPF):
- BPF bytecode is designed for high-performance packet filters and can be used for non-networking purposes.
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+* Every account in Sealevel has a specified owner (the default is `System Program`):
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