cleanups and link replacement

blog/_posts/case-study-bitcoin-atlantis.md

@@ -39,7 +39,6 @@ Implementing a seamless payment experience while navigating challenges involved
 
 ![](/images/BitcoinAtlantis-3.png)
 
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 ### The infrastructure
 
 A reliable payment processing system that could handle a large transaction volume without hiccups was achieved through the deployment of a dedicated [BTCPay Server](https://btcpayserver.org) instance. The lightning Network was used for instant and low-cost transaction settlement. Each merchant, had a dedicated store within BTCPay Server created. Each store had a wallet, and a web [point of sale app](https://docs.btcpayserver.org/Apps/#point-of-sale-app) which was loaded on Bitcoinize Point of Sale devices – enabling invoice generation, transaction previews, receipt printing, and refunds. 
@@ -66,7 +65,6 @@ This demonstrates that BTCPay Server was an end-to-end solution, for receiving p
 
 ![](/images/BitcoinAtlantis-6.png)
 
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 #### Onboarding and support
 
 An important part of the project's success lay in efficiently onboarding merchants and familiarizing them with the new technology. Through a hands-on demo and continuous support during the event, merchants were able to adapt to the process smoothly, enhancing the overall experience for both vendors and attendees.
@@ -98,4 +96,4 @@ The overwhelmingly positive feedback from merchants and attendees signals a grow
 
 ![](/images/BitcoinAtlantis-9.png)
 
-You can [download a PDF of this case study on this link](https://btcpayserver.org/case-studies/BitcoinPeople2024.pdf).
+You can [download a PDF of this case study on this link](https://btcpayserver.org/case-studies/BitcoinAtlantis.pdf).