diff --git a/backend/services/identity-service/prisma/migrations/.gitkeep b/backend/services/identity-service/prisma/migrations/.gitkeep
deleted file mode 100644
index b87434af..00000000
--- a/backend/services/identity-service/prisma/migrations/.gitkeep
+++ /dev/null
@@ -1 +0,0 @@
-# Prisma migrations will be stored here
diff --git a/backend/services/identity-service/prisma/migrations/20241204000000_init/migration.sql b/backend/services/identity-service/prisma/migrations/20241204000000_init/migration.sql
new file mode 100644
index 00000000..20f391e1
--- /dev/null
+++ b/backend/services/identity-service/prisma/migrations/20241204000000_init/migration.sql
@@ -0,0 +1,317 @@
+-- CreateTable
+CREATE TABLE "user_accounts" (
+    "user_id" BIGSERIAL NOT NULL,
+    "account_sequence" BIGINT NOT NULL,
+    "phone_number" VARCHAR(20),
+    "nickname" VARCHAR(100) NOT NULL,
+    "avatar_url" VARCHAR(500),
+    "inviter_sequence" BIGINT,
+    "referral_code" VARCHAR(10) NOT NULL,
+    "province_code" VARCHAR(10) NOT NULL,
+    "city_code" VARCHAR(10) NOT NULL,
+    "address" VARCHAR(500),
+    "kyc_status" VARCHAR(20) NOT NULL DEFAULT 'NOT_VERIFIED',
+    "real_name" VARCHAR(100),
+    "id_card_number" VARCHAR(20),
+    "id_card_front_url" VARCHAR(500),
+    "id_card_back_url" VARCHAR(500),
+    "kyc_verified_at" TIMESTAMP(3),
+    "status" VARCHAR(20) NOT NULL DEFAULT 'ACTIVE',
+    "registered_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "last_login_at" TIMESTAMP(3),
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "user_accounts_pkey" PRIMARY KEY ("user_id")
+);
+
+-- CreateTable
+CREATE TABLE "user_devices" (
+    "id" BIGSERIAL NOT NULL,
+    "user_id" BIGINT NOT NULL,
+    "device_id" VARCHAR(100) NOT NULL,
+    "device_name" VARCHAR(100),
+    "added_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "last_active_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "user_devices_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "wallet_addresses" (
+    "address_id" BIGSERIAL NOT NULL,
+    "user_id" BIGINT NOT NULL,
+    "chain_type" VARCHAR(20) NOT NULL,
+    "address" VARCHAR(100) NOT NULL,
+    "public_key" VARCHAR(130) NOT NULL,
+    "address_digest" VARCHAR(66) NOT NULL,
+    "mpc_signature_r" VARCHAR(66) NOT NULL,
+    "mpc_signature_s" VARCHAR(66) NOT NULL,
+    "mpc_signature_v" INTEGER NOT NULL,
+    "status" VARCHAR(20) NOT NULL DEFAULT 'ACTIVE',
+    "bound_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "wallet_addresses_pkey" PRIMARY KEY ("address_id")
+);
+
+-- CreateTable
+CREATE TABLE "account_sequence_generator" (
+    "id" INTEGER NOT NULL DEFAULT 1,
+    "current_sequence" BIGINT NOT NULL DEFAULT 0,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "account_sequence_generator_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "user_events" (
+    "event_id" BIGSERIAL NOT NULL,
+    "event_type" VARCHAR(50) NOT NULL,
+    "aggregate_id" VARCHAR(100) NOT NULL,
+    "aggregate_type" VARCHAR(50) NOT NULL,
+    "event_data" JSONB NOT NULL,
+    "user_id" BIGINT,
+    "occurred_at" TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "version" INTEGER NOT NULL DEFAULT 1,
+
+    CONSTRAINT "user_events_pkey" PRIMARY KEY ("event_id")
+);
+
+-- CreateTable
+CREATE TABLE "device_tokens" (
+    "id" BIGSERIAL NOT NULL,
+    "user_id" BIGINT NOT NULL,
+    "device_id" VARCHAR(100) NOT NULL,
+    "refresh_token_hash" VARCHAR(64) NOT NULL,
+    "expires_at" TIMESTAMP(3) NOT NULL,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "revoked_at" TIMESTAMP(3),
+
+    CONSTRAINT "device_tokens_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "dead_letter_events" (
+    "id" BIGSERIAL NOT NULL,
+    "topic" VARCHAR(100) NOT NULL,
+    "event_id" VARCHAR(100) NOT NULL,
+    "event_type" VARCHAR(50) NOT NULL,
+    "aggregate_id" VARCHAR(100) NOT NULL,
+    "aggregate_type" VARCHAR(50) NOT NULL,
+    "payload" JSONB,
+    "error_message" TEXT NOT NULL,
+    "error_stack" TEXT,
+    "retry_count" INTEGER NOT NULL DEFAULT 0,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "processed_at" TIMESTAMP(3),
+
+    CONSTRAINT "dead_letter_events_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "sms_codes" (
+    "id" BIGSERIAL NOT NULL,
+    "phone_number" VARCHAR(20) NOT NULL,
+    "code" VARCHAR(10) NOT NULL,
+    "purpose" VARCHAR(50) NOT NULL,
+    "expires_at" TIMESTAMP(3) NOT NULL,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "used_at" TIMESTAMP(3),
+
+    CONSTRAINT "sms_codes_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "mpc_key_shares" (
+    "share_id" BIGSERIAL NOT NULL,
+    "user_id" BIGINT NOT NULL,
+    "public_key" VARCHAR(130) NOT NULL,
+    "party_index" INTEGER NOT NULL,
+    "threshold" INTEGER NOT NULL DEFAULT 2,
+    "total_parties" INTEGER NOT NULL DEFAULT 3,
+    "encrypted_share_data" TEXT NOT NULL,
+    "status" VARCHAR(20) NOT NULL DEFAULT 'ACTIVE',
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "rotated_at" TIMESTAMP(3),
+
+    CONSTRAINT "mpc_key_shares_pkey" PRIMARY KEY ("share_id")
+);
+
+-- CreateTable
+CREATE TABLE "mpc_sessions" (
+    "session_id" VARCHAR(50) NOT NULL,
+    "session_type" VARCHAR(20) NOT NULL,
+    "user_id" BIGINT,
+    "public_key" VARCHAR(130),
+    "status" VARCHAR(20) NOT NULL DEFAULT 'PENDING',
+    "error_message" TEXT,
+    "message_hash" VARCHAR(66),
+    "signature_r" VARCHAR(66),
+    "signature_s" VARCHAR(66),
+    "signature_v" INTEGER,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "completed_at" TIMESTAMP(3),
+
+    CONSTRAINT "mpc_sessions_pkey" PRIMARY KEY ("session_id")
+);
+
+-- CreateTable
+CREATE TABLE "referral_links" (
+    "link_id" BIGSERIAL NOT NULL,
+    "user_id" BIGINT NOT NULL,
+    "referral_code" VARCHAR(10) NOT NULL,
+    "short_code" VARCHAR(10) NOT NULL,
+    "channel" VARCHAR(50),
+    "campaign_id" VARCHAR(50),
+    "click_count" INTEGER NOT NULL DEFAULT 0,
+    "register_count" INTEGER NOT NULL DEFAULT 0,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "expires_at" TIMESTAMP(3),
+
+    CONSTRAINT "referral_links_pkey" PRIMARY KEY ("link_id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "user_accounts_account_sequence_key" ON "user_accounts"("account_sequence");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "user_accounts_phone_number_key" ON "user_accounts"("phone_number");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "user_accounts_referral_code_key" ON "user_accounts"("referral_code");
+
+-- CreateIndex
+CREATE INDEX "idx_phone" ON "user_accounts"("phone_number");
+
+-- CreateIndex
+CREATE INDEX "idx_sequence" ON "user_accounts"("account_sequence");
+
+-- CreateIndex
+CREATE INDEX "idx_referral_code" ON "user_accounts"("referral_code");
+
+-- CreateIndex
+CREATE INDEX "idx_inviter" ON "user_accounts"("inviter_sequence");
+
+-- CreateIndex
+CREATE INDEX "idx_province_city" ON "user_accounts"("province_code", "city_code");
+
+-- CreateIndex
+CREATE INDEX "idx_kyc_status" ON "user_accounts"("kyc_status");
+
+-- CreateIndex
+CREATE INDEX "idx_status" ON "user_accounts"("status");
+
+-- CreateIndex
+CREATE INDEX "idx_device" ON "user_devices"("device_id");
+
+-- CreateIndex
+CREATE INDEX "idx_user" ON "user_devices"("user_id");
+
+-- CreateIndex
+CREATE INDEX "idx_last_active" ON "user_devices"("last_active_at");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "uk_user_device" ON "user_devices"("user_id", "device_id");
+
+-- CreateIndex
+CREATE INDEX "idx_wallet_user" ON "wallet_addresses"("user_id");
+
+-- CreateIndex
+CREATE INDEX "idx_address" ON "wallet_addresses"("address");
+
+-- CreateIndex
+CREATE INDEX "idx_public_key" ON "wallet_addresses"("public_key");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "uk_user_chain" ON "wallet_addresses"("user_id", "chain_type");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "uk_chain_address" ON "wallet_addresses"("chain_type", "address");
+
+-- CreateIndex
+CREATE INDEX "idx_aggregate" ON "user_events"("aggregate_type", "aggregate_id");
+
+-- CreateIndex
+CREATE INDEX "idx_event_type" ON "user_events"("event_type");
+
+-- CreateIndex
+CREATE INDEX "idx_event_user" ON "user_events"("user_id");
+
+-- CreateIndex
+CREATE INDEX "idx_occurred" ON "user_events"("occurred_at");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "device_tokens_refresh_token_hash_key" ON "device_tokens"("refresh_token_hash");
+
+-- CreateIndex
+CREATE INDEX "idx_user_device_token" ON "device_tokens"("user_id", "device_id");
+
+-- CreateIndex
+CREATE INDEX "idx_expires" ON "device_tokens"("expires_at");
+
+-- CreateIndex
+CREATE INDEX "idx_topic" ON "dead_letter_events"("topic");
+
+-- CreateIndex
+CREATE INDEX "idx_dead_letter_event_type" ON "dead_letter_events"("event_type");
+
+-- CreateIndex
+CREATE INDEX "idx_dead_letter_created" ON "dead_letter_events"("created_at");
+
+-- CreateIndex
+CREATE INDEX "idx_processed" ON "dead_letter_events"("processed_at");
+
+-- CreateIndex
+CREATE INDEX "idx_phone_purpose" ON "sms_codes"("phone_number", "purpose");
+
+-- CreateIndex
+CREATE INDEX "idx_sms_expires" ON "sms_codes"("expires_at");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "mpc_key_shares_user_id_key" ON "mpc_key_shares"("user_id");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "mpc_key_shares_public_key_key" ON "mpc_key_shares"("public_key");
+
+-- CreateIndex
+CREATE INDEX "idx_mpc_public_key" ON "mpc_key_shares"("public_key");
+
+-- CreateIndex
+CREATE INDEX "idx_mpc_status" ON "mpc_key_shares"("status");
+
+-- CreateIndex
+CREATE INDEX "idx_session_type" ON "mpc_sessions"("session_type");
+
+-- CreateIndex
+CREATE INDEX "idx_session_user" ON "mpc_sessions"("user_id");
+
+-- CreateIndex
+CREATE INDEX "idx_session_status" ON "mpc_sessions"("status");
+
+-- CreateIndex
+CREATE INDEX "idx_session_created" ON "mpc_sessions"("created_at");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "referral_links_short_code_key" ON "referral_links"("short_code");
+
+-- CreateIndex
+CREATE INDEX "idx_referral_link_user" ON "referral_links"("user_id");
+
+-- CreateIndex
+CREATE INDEX "idx_referral_link_code" ON "referral_links"("referral_code");
+
+-- CreateIndex
+CREATE INDEX "idx_referral_link_channel" ON "referral_links"("channel");
+
+-- CreateIndex
+CREATE INDEX "idx_referral_link_created" ON "referral_links"("created_at");
+
+-- AddForeignKey
+ALTER TABLE "user_devices" ADD CONSTRAINT "user_devices_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "user_accounts"("user_id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "wallet_addresses" ADD CONSTRAINT "wallet_addresses_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "user_accounts"("user_id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- Initialize sequence generator
+INSERT INTO "account_sequence_generator" ("id", "current_sequence", "updated_at")
+VALUES (1, 0, CURRENT_TIMESTAMP)
+ON CONFLICT ("id") DO NOTHING;