commit inicial do projeto

internal/blockchain/block.go

@@ -0,0 +1,13 @@
+package blockchain
+
+import "dejo_node/internal/transactions"
+
+// Block representa um bloco da blockchain.
+type Block struct {
+	Hash         string
+	PreviousHash string
+	Timestamp    int64
+	Transactions []transactions.Transaction
+	Nonce        int
+	Finalized    bool
+}