diff --git a/plonky2_verifier/challenger_test.go b/plonky2_verifier/challenger_test.go
index 1cb724b..ec6aefc 100644
--- a/plonky2_verifier/challenger_test.go
+++ b/plonky2_verifier/challenger_test.go
@@ -1,9 +1,13 @@
 package plonky2_verifier
 
 import (
+	"encoding/json"
+	"fmt"
 	. "gnark-ed25519/goldilocks"
 	. "gnark-ed25519/poseidon"
 	"gnark-ed25519/utils"
+	"io/ioutil"
+	"os"
 	"testing"
 
 	"github.com/consensys/gnark-crypto/ecc"
@@ -72,6 +76,22 @@ func (circuit *TestChallengerCircuit) Define(api frontend.API) error {
 	return nil
 }
 
+func TestDeserializationOfPlonky2Proof(t *testing.T) {
+	fibonacciProofPath := "./fibonacci_proof.json"
+	jsonFile, err := os.Open(fibonacciProofPath)
+	if err != nil {
+		fmt.Println(err)
+	}
+	defer jsonFile.Close()
+
+	byteValue, _ := ioutil.ReadAll(jsonFile)
+
+	var result Proof
+	json.Unmarshal(byteValue, &result)
+
+	fmt.Println(result.WiresCap)
+}
+
 func TestChallengerWitness(t *testing.T) {
 	assert := test.NewAssert(t)
 
diff --git a/plonky2_verifier/verifier.go b/plonky2_verifier/verifier.go
new file mode 100644
index 0000000..5fbdfb3
--- /dev/null
+++ b/plonky2_verifier/verifier.go
@@ -0,0 +1,94 @@
+package plonky2_verifier
+
+type Proof struct {
+	WiresCap []struct {
+		Elements []uint64 `json:"elements"`
+	} `json:"wires_cap"`
+	PlonkZsPartialProductsCap []struct {
+		Elements []uint64 `json:"elements"`
+	} `json:"plonk_zs_partial_products_cap"`
+	QuotientPolysCap []struct {
+		Elements []uint64 `json:"elements"`
+	} `json:"quotient_polys_cap"`
+	Openings struct {
+		Constants       [][]uint64 `json:"constants"`
+		PlonkSigmas     [][]uint64 `json:"plonk_sigmas"`
+		Wires           [][]uint64 `json:"wires"`
+		PlonkZs         [][]uint64 `json:"plonk_zs"`
+		PlonkZsNext     [][]uint64 `json:"plonk_zs_next"`
+		PartialProducts [][]uint64 `json:"partial_products"`
+		QuotientPolys   [][]uint64 `json:"quotient_polys"`
+	} `json:"openings"`
+	OpeningProof struct {
+		CommitPhaseMerkleCaps []interface{} `json:"commit_phase_merkle_caps"`
+		QueryRoundProofs      []struct {
+			InitialTreesProof struct {
+				EvalsProofs [][]interface{} `json:"evals_proofs"`
+			} `json:"initial_trees_proof"`
+			Steps []interface{} `json:"steps"`
+		} `json:"query_round_proofs"`
+		FinalPoly struct {
+			Coeffs [][]uint64 `json:"coeffs"`
+		} `json:"final_poly"`
+		PowWitness uint64 `json:"pow_witness"`
+	} `json:"opening_proof"`
+}
+
+type CommonCircuitData struct {
+	Config struct {
+		NumWires                int  `json:"num_wires"`
+		NumRoutedWires          int  `json:"num_routed_wires"`
+		NumConstants            int  `json:"num_constants"`
+		UseBaseArithmeticGate   bool `json:"use_base_arithmetic_gate"`
+		SecurityBits            int  `json:"security_bits"`
+		NumChallenges           int  `json:"num_challenges"`
+		ZeroKnowledge           bool `json:"zero_knowledge"`
+		MaxQuotientDegreeFactor int  `json:"max_quotient_degree_factor"`
+		FriConfig               struct {
+			RateBits          int `json:"rate_bits"`
+			CapHeight         int `json:"cap_height"`
+			ProofOfWorkBits   int `json:"proof_of_work_bits"`
+			ReductionStrategy struct {
+				ConstantArityBits []int `json:"ConstantArityBits"`
+			} `json:"reduction_strategy"`
+			NumQueryRounds int `json:"num_query_rounds"`
+		} `json:"fri_config"`
+	} `json:"config"`
+	FriParams struct {
+		Config struct {
+			RateBits          int `json:"rate_bits"`
+			CapHeight         int `json:"cap_height"`
+			ProofOfWorkBits   int `json:"proof_of_work_bits"`
+			ReductionStrategy struct {
+				ConstantArityBits []int `json:"ConstantArityBits"`
+			} `json:"reduction_strategy"`
+			NumQueryRounds int `json:"num_query_rounds"`
+		} `json:"config"`
+		Hiding             bool          `json:"hiding"`
+		DegreeBits         int           `json:"degree_bits"`
+		ReductionArityBits []interface{} `json:"reduction_arity_bits"`
+	} `json:"fri_params"`
+	DegreeBits    int `json:"degree_bits"`
+	SelectorsInfo struct {
+		SelectorIndices []int `json:"selector_indices"`
+		Groups          []struct {
+			Start int `json:"start"`
+			End   int `json:"end"`
+		} `json:"groups"`
+	} `json:"selectors_info"`
+	QuotientDegreeFactor int           `json:"quotient_degree_factor"`
+	NumGateConstraints   int           `json:"num_gate_constraints"`
+	NumConstants         int           `json:"num_constants"`
+	NumPublicInputs      int           `json:"num_public_inputs"`
+	KIs                  []interface{} `json:"k_is"`
+	NumPartialProducts   int           `json:"num_partial_products"`
+	CircuitDigest        struct {
+		Elements []int64 `json:"elements"`
+	} `json:"circuit_digest"`
+}
+
+type VerifierOnlyCircuitData struct {
+	ConstantsSigmasCap []struct {
+		Elements []int64 `json:"elements"`
+	} `json:"constants_sigmas_cap"`
+}