diff --git a/mine-your-first-block/src/main.rs b/mine-your-first-block/src/main.rs
index 3f3e79c..d89fdea 100644
--- a/mine-your-first-block/src/main.rs
+++ b/mine-your-first-block/src/main.rs
@@ -1,3 +1,59 @@
+use serde;
+use serde_json;
+use sha2;
+
+// Transaction struct that may be overcomplicated right now. We will see
+#[derive(Debug, serde::Deserialize)]
+struct Transaction {
+    version: u32,
+    locktime: u32,
+    vin: Vec<Vin>,
+    vout: Vec<Vout>,
+}
+
+#[derive(Debug, serde::Deserialize)]
+struct Vin {
+    txid: String,
+    vout: u32,
+    prevout: Prevout,
+    scriptsig: String,
+    scriptsig_asm: String,
+    witness: Vec<String>,
+    is_coinbase: bool,
+    sequence: u32,
+}
+
+#[derive(Debug, serde::Deserialize)]
+struct Prevout {
+    scriptpubkey: String,
+    scriptpubkey_asm: String,
+    scriptpubkey_type: String,
+    scriptpubkey_address: String,
+    value: u64,
+}
+
+#[derive(Debug, serde::Deserialize)]
+struct Vout {
+    scriptpubkey: String,
+    scriptpubkey_asm: String,
+    scriptpubkey_type: String,
+    scriptpubkey_address: String,
+    value: u64,
+}
+
+///
+///
+
+// TODO Make a deserialize_tx function with serde and serde_json
+fn deserialize_tx() -> Result<Transaction, io::Error> {
+    // code to deserialize a tx
+}
+
+// TODO Make a validate_tx function that returns true if tx is valid and throws out invalid tx
+fn validate_tx(transaction: Transaction) -> bool {
+    // Code to validate tx based
+}
+
 fn main() {
     println!("Hello, world!");
 }