diff --git a/src/avalanche/proof.h b/src/avalanche/proof.h
--- a/src/avalanche/proof.h
+++ b/src/avalanche/proof.h
@@ -85,6 +85,9 @@
     ProofId proofid;
     void computeProofId();
 
+    uint32_t score;
+    void computeScore();
+
 public:
     Proof() : sequence(0), expirationTime(0), master(), stakes(), proofid() {}
     Proof(uint64_t sequence_, int64_t expirationTime_, CPubKey master_,
@@ -92,11 +95,13 @@
         : sequence(sequence_), expirationTime(expirationTime_),
           master(std::move(master_)), stakes(std::move(stakes_)) {
         computeProofId();
+        computeScore();
     }
 
     SERIALIZE_METHODS(Proof, obj) {
         READWRITE(obj.sequence, obj.expirationTime, obj.master, obj.stakes);
         SER_READ(obj, obj.computeProofId());
+        SER_READ(obj, obj.computeScore());
     }
 
     static bool FromHex(Proof &proof, const std::string &hexProof,
@@ -109,7 +114,7 @@
 
     const ProofId &getId() const { return proofid; }
     const LimitedProofId &getLimitedId() const { return limitedProofId; }
-    uint32_t getScore() const;
+    uint32_t getScore() const { return score; }
 
     bool verify(ProofValidationState &state) const;
     bool verify(ProofValidationState &state, const CCoinsView &view) const;
diff --git a/src/avalanche/proof.cpp b/src/avalanche/proof.cpp
--- a/src/avalanche/proof.cpp
+++ b/src/avalanche/proof.cpp
@@ -61,13 +61,13 @@
     proofid = limitedProofId.computeProofId(master);
 }
 
-uint32_t Proof::getScore() const {
+void Proof::computeScore() {
     Amount total = Amount::zero();
     for (const SignedStake &s : stakes) {
         total += s.getStake().getAmount();
     }
 
-    return uint32_t((100 * total) / COIN);
+    score = uint32_t((100 * total) / COIN);
 }
 
 bool Proof::verify(ProofValidationState &state) const {