diff --git a/README.md b/README.md
index 989d02e..f1b9b0a 100644
--- a/README.md
+++ b/README.md
@@ -176,8 +176,7 @@ An updated and curated list of readings to illustrate best practices and pattern
 	* [BinaryAlert: Real-time Serverless Malware Detection at Airbnb](https://medium.com/airbnb-engineering/binaryalert-real-time-serverless-malware-detection-ca44370c1b90)
 	* [Scalable IAM Architecture to Secure Access to 100 AWS Accounts at Segment](https://segment.com/blog/secure-access-to-100-aws-accounts/)
 	* [OAuth Audit Toolbox at Indeed](http://engineering.indeedblog.com/blog/2018/04/oaudit-toolbox/)
-	* [Active Directory Password Blacklisting at Yelp](https://engineeringblog.yelp.com/2018/04/ad-password-blacklisting.html)
-	* [Secure Infrastructure to Store Bitcoin in the Cloud at Coinbase](https://engineering.coinbase.com/how-coinbase-builds-secure-infrastructure-to-store-bitcoin-in-the-cloud-30a6504e40ba)	
+	* [Active Directory Password Blacklisting at Yelp](https://engineeringblog.yelp.com/2018/04/ad-password-blacklisting.html)	
 	* [Syscall Auditing at Scale at Slack](https://slack.engineering/syscall-auditing-at-scale-e6a3ca8ac1b8)
 	* [Athenz: Fine-Grained, Role-Based Access Control at Yahoo](https://yahooeng.tumblr.com/post/160481899076/open-sourcing-athenz-fine-grained-role-based)
 	* [WebAuthn Support for Secure Sign In at Dropbox](https://blogs.dropbox.com/tech/2018/05/introducing-webauthn-support-for-secure-dropbox-sign-in/)
@@ -262,6 +261,7 @@ An updated and curated list of readings to illustrate best practices and pattern
 		* [Quantcast File System on Amazon S3](https://www.quantcast.com/blog/quantcast-file-system-on-amazon-s3/)
 		* [Data Sink with S3 at Deliveroo](https://deliveroo.engineering/2017/06/15/data-sink.html)
 		* [Using S3 in Netflix Chukwa](https://medium.com/netflix-techblog/evolution-of-the-netflix-data-pipeline-da246ca36905)	
+		* [Image Recovery at Scale Using S3 Versioning at Trivago](https://tech.trivago.com/2018/09/03/efficient-image-recovery-at-scale-using-amazon-s3-versioning/)
 		* [Yahoo Cloud Object Store - Object Storage at Exabyte Scale](https://yahooeng.tumblr.com/post/116391291701/yahoo-cloud-object-store-object-storage-at)
 		* [Ambry: Distributed Immutable Object Store at LinkedIn](https://www.usenix.org/conference/srecon17americas/program/presentation/shenoy)
 		* [Hammerspace: Persistent, Concurrent, Off-heap Storage at Airbnb](https://medium.com/airbnb-engineering/hammerspace-persistent-concurrent-off-heap-storage-3db39bb04472)