diff --git a/components/forms/CreateMultisigForm/formSchema.ts b/components/forms/CreateMultisigForm/formSchema.ts
new file mode 100644
index 0000000..47e9ded
--- /dev/null
+++ b/components/forms/CreateMultisigForm/formSchema.ts
@@ -0,0 +1,130 @@
+import { ChainInfo } from "@/context/ChainsContext/types";
+import { pubkeyToAddress } from "@cosmjs/amino";
+import { StargateClient } from "@cosmjs/stargate";
+import { z } from "zod";
+import { checkAddressOrPubkey } from "../../../lib/displayHelpers";
+
+export const getCreateMultisigSchema = (chain: ChainInfo) =>
+  z
+    .object({
+      members: z.array(
+        z.object({
+          member: z
+            .string()
+            .trim()
+            .superRefine(async (member, ctx) => {
+              if (!member) {
+                return z.NEVER;
+              }
+
+              const addressOrPubkeyError = checkAddressOrPubkey(member, chain.addressPrefix);
+
+              if (addressOrPubkeyError) {
+                ctx.addIssue({ code: z.ZodIssueCode.custom, message: addressOrPubkeyError });
+              } else {
+                try {
+                  const address = member.startsWith(chain.addressPrefix)
+                    ? member
+                    : pubkeyToAddress(
+                        { type: "tendermint/PubKeySecp256k1", value: member },
+                        chain.addressPrefix,
+                      );
+
+                  const client = await StargateClient.connect(chain.nodeAddress);
+                  const accountOnChain = await client.getAccount(address);
+
+                  if (!accountOnChain || !accountOnChain.pubkey) {
+                    ctx.addIssue({
+                      code: z.ZodIssueCode.custom,
+                      message: "This account needs to send a transaction to appear on chain",
+                    });
+                  }
+                } catch {
+                  return z.NEVER;
+                }
+              }
+            }),
+        }),
+      ),
+      threshold: z.coerce
+        .number({ invalid_type_error: "Threshold must be a number" })
+        .int("Threshold can't have decimals")
+        .min(1, "Threshold must be at least 1"),
+    })
+    .superRefine(({ members }, ctx) => {
+      if (members.length !== 2) {
+        return;
+      }
+
+      const firstEmptyMemberIndex = members.findIndex(({ member }) => member.trim() === "");
+
+      if (firstEmptyMemberIndex !== -1) {
+        const issue = {
+          code: z.ZodIssueCode.custom,
+          message: "At least 2 members needed",
+          path: [`members.${firstEmptyMemberIndex}.member`],
+        };
+
+        ctx.addIssue(issue);
+      }
+    })
+    .superRefine(({ members }, ctx) => {
+      const addresses = members.map(({ member }) => {
+        if (!member.startsWith(chain.addressPrefix)) {
+          try {
+            const address = pubkeyToAddress(
+              { type: "tendermint/PubKeySecp256k1", value: member },
+              chain.addressPrefix,
+            );
+
+            return address;
+          } catch {}
+        }
+
+        return member;
+      });
+
+      const dupedAddresses = addresses.filter((member, i) => addresses.indexOf(member) !== i);
+
+      const dupedAddressesIndexes: number[][] = [];
+
+      for (const dupedAddress of dupedAddresses) {
+        const dupedIndexes = [];
+
+        for (let i = 0; i < addresses.length; ++i) {
+          const index = addresses.indexOf(dupedAddress, i);
+          if (index !== -1) {
+            dupedIndexes.push(index);
+          }
+        }
+
+        dupedAddressesIndexes.push(dupedIndexes.sort());
+      }
+
+      if (dupedAddressesIndexes.length) {
+        for (const dupedIndexes of dupedAddressesIndexes) {
+          for (const duplicateIndex of dupedIndexes) {
+            const issue = {
+              code: z.ZodIssueCode.custom,
+              message: `Members cannot be duplicate (${dupedIndexes
+                .map((index) => `#${index + 1}`)
+                .join(", ")})`,
+              path: [`members.${duplicateIndex}.member`],
+            };
+
+            ctx.addIssue(issue);
+          }
+        }
+      } else {
+        return z.NEVER;
+      }
+    })
+    .refine(
+      ({ members, threshold }) => threshold <= members.filter(({ member }) => member !== "").length,
+      ({ members }) => ({
+        message: `Threshold can't be higher than the number of members (${
+          members.filter(({ member }) => member !== "").length
+        })`,
+        path: ["threshold"],
+      }),
+    );