diff --git a/src/store/bountyReviewStore.ts b/src/store/bountyReviewStore.ts
new file mode 100644
index 00000000..e5e007a0
--- /dev/null
+++ b/src/store/bountyReviewStore.ts
@@ -0,0 +1,39 @@
+import { makeAutoObservable } from 'mobx';
+import { ProofOfWork, BountyTiming } from './interface';
+
+export class BountyReviewStore {
+  proofs: Record<string, ProofOfWork[]> = {};
+  timings: Record<string, BountyTiming> = {};
+  loading = false;
+  error: string | null = null;
+
+  constructor() {
+    makeAutoObservable(this);
+  }
+
+  setProofs(bountyId: string, proofs: ProofOfWork[]) {
+    this.proofs[bountyId] = proofs;
+  }
+
+  setTiming(bountyId: string, timing: BountyTiming) {
+    this.timings[bountyId] = timing;
+  }
+
+  setLoading(loading: boolean) {
+    this.loading = loading;
+  }
+
+  setError(error: string | null) {
+    this.error = error;
+  }
+
+  getProofs(bountyId: string): ProofOfWork[] {
+    return this.proofs[bountyId] || [];
+  }
+
+  getTiming(bountyId: string): BountyTiming | undefined {
+    return this.timings[bountyId];
+  }
+}
+
+export const bountyReviewStore = new BountyReviewStore();
diff --git a/src/store/interface.ts b/src/store/interface.ts
index 6f037772..24c2f1a8 100644
--- a/src/store/interface.ts
+++ b/src/store/interface.ts
@@ -528,3 +528,21 @@ export interface BountyCard {
   payment_pending?: boolean;
   assignee?: string;
 }
+
+export type BountyReviewStatus = 'New' | 'Accepted' | 'Rejected' | 'Change Requested';
+
+export interface ProofOfWork {
+  id: string;
+  bountyId: string;
+  description: string;
+  status: BountyReviewStatus;
+  submittedAt: string;
+}
+
+export interface BountyTiming {
+  totalWorkTimeSeconds: number;
+  totalAttempts: number;
+  firstAssignedAt: string | null;
+  lastPoWAt: string | null;
+  closedAt: string | null;
+}