diff --git a/README.md b/README.md
index c7d6970..a0d4885 100644
--- a/README.md
+++ b/README.md
@@ -64,6 +64,7 @@ PDF: [Smart Contract Auditor.pdf](https://github.com/razzorsec/AuditorsRoadmap/f
   * Flash Loan => Price Oracle Manipulation
   * Front-Running => Sandwich attacks
   * Rug Pulls => Unlimited Token Allowance
+  * "Bridges" create synthetic derivatives that represent an asset from another blockchain. => NOT Ideal.
 
 * [CTFs](https://github.com/blockthreat/blocksec-ctfs)  
   * [Damn Vulnerable DeFi](https://www.damnvulnerabledefi.xyz/)
@@ -98,6 +99,7 @@ PDF: [Smart Contract Auditor.pdf](https://github.com/razzorsec/AuditorsRoadmap/f
   * [Scribble](https://github.com/ConsenSys/scribble)
   * [BlockSec ETH/BSC Tx Analysis](https://versatile.blocksecteam.com/tx) 
   * [ethtx ETH Tx Analysis](https://ethtx.info/)
+  * BlockChainSentry VMS https://www.blockchainsentry.com/product/block-chain-sentry-vms/
   
 * Continue Learning
   * [Ethereum Yellow Paper](https://github.com/ethereum/yellowpaper)