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I am new to Monero and I am conducting an analysis of the Monero blockchain. To do this, I have set up my own private testnet (following this tutorial: https://github.com/moneroexamples/onion-monero-blockchain-explorer/tree/master) to experiment with it and reproduce some vulnerabilities that existed at the beginning of Monero.

Right now, my objective is to see if a sender loses all of their privacy when a transaction has a ring size (or mixin) equal to 1. If I am correct, I suppose that when a mixin is set to 1, the input of the transaction in the blockchain explorer should show just one transaction with the amount being transferred (since RingCT is disabled to make my job easier). However, when I visualize a transaction, for some reason, it appears as double the amount of XMR that I specified in the transaction.

For exemple in this transaction, I wanted to transfer 5 XMR. In the sender's wallet, 5 XMR were taken, and 5 XMR were received in the receiver's wallet. However, when I look at the explorer, it appears as a 10 XMR transaction.

Inputs of a transaction, Onion Monero Blockchain Explorer

So, what am I missing here? Why does it appear as 10 XMR even though I transferred 5 XMR? And why are there 4 transactions for a single transaction of 5 XMR?

I'll let the json of the transaction here in case in helps:

          {
  "version": 1, 
  "unlock_time": 0, 
  "vin": [ {
      "key": {
        "amount": 60000000000, 
        "key_offsets": [ 436
        ], 
        "k_image": "e1ef4c5476121fe3cfacd42f0c3d58a15c73fe9d867f00502c72a5403d3e2727"
      }
    }, {
      "key": {
        "amount": 500000000000, 
        "key_offsets": [ 3456
        ], 
        "k_image": "b125d103ac6dbfc0e522fb526185385c9f3f72484d2c8213d9d7332625dd402b"
      }
    }, {
      "key": {
        "amount": 5000000000, 
        "key_offsets": [ 367
        ], 
        "k_image": "7e3e2492be962159e4d1c2d53ef501d04f3dfb447681a75c0290cc7f4a6b1cea"
      }
    }, {
      "key": {
        "amount": 10000000000000, 
        "key_offsets": [ 3299
        ], 
        "k_image": "7b791915033e3efe95326ba6151deaa49e729929da75d109c338f8cff70d3be6"
      }
    }
  ], 
  "vout": [ {
      "amount": 5000000000000, 
      "target": {
        "key": "fb2eae88d3c3bed68be3390ee121273b970a4e9d9b631606f617e774bd7157d5"
      }
    }, {
      "amount": 60000000000, 
      "target": {
        "key": "82dc2f21788ec7a8ea458c8ed5900d5c9c8a13f88ffd2aa1e3b19b099d11de0e"
      }
    }, {
      "amount": 3000000000, 
      "target": {
        "key": "ae50c803e502fe03235e182a8036752e3bca63ce76224ef386f0e22981dc5292"
      }
    }, {
      "amount": 500000000000, 
      "target": {
        "key": "a204349a2db00d09280d6ecef950e857edba8e6b98f557ed6611c8cd4034e369"
      }
    }, {
      "amount": 5000000000000, 
      "target": {
        "key": "c5795083da05b3aaa093af802ce63d4c9963a78fbdb5f51385aa393b42ae9b05"
      }
    }
  ], 
  "extra": [ 1, 132, 78, 45, 182, 143, 4, 83, 63, 131, 151, 47, 171, 125, 211, 29, 151, 47, 220, 241, 255, 50, 173, 132, 238, 77, 52, 142, 103, 4, 5, 208, 171
  ], 
  "signatures": [ "1d56c48e1fe49fcf44549eec25e739b0191dce0c81151e41c6975dcd7f23860b64d41833bb1c715c5ce43872b6c45e19fca9aee756717b9dee208f045936ef09", "105f0aaada2a538c9104c1d3a459bc30df7eff2f11e433e51a9f447a5405fe0ab21724f95eebda037200a2261b4743530e91c6d77d694228bc20aa9d8aebf807", "0aa7b3da849aa158a31354566423ff81c573650f37671136b1913ea866409208963f5c0d2e3dfd3e09938151c7ac1100a5ba24e2ef9ecf9705fb0df9bde5d00f", "9b30ec52d017d86ca83c4a2206b4adf6bce8e3e04aefb4979da707980f37950823b8b3519ac8aa5a6549bfb89ebdf94095e982796b9e311878fa09c7082c9c0b"]
}

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