diff --git a/app/Models/Portfolio.php b/app/Models/Portfolio.php
index 8a533b3..0b07db7 100644
--- a/app/Models/Portfolio.php
+++ b/app/Models/Portfolio.php
@@ -3,11 +3,13 @@
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Concerns\HasUuids;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 
 class Portfolio extends Model
 {
     use HasFactory;
+    use HasUuids;
 
     /**
      * The attributes that are mass assignable.
diff --git a/app/Models/User.php b/app/Models/User.php
index 6c2e25a..09e2523 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -3,12 +3,13 @@
 namespace App\Models;
 
 // use Illuminate\Contracts\Auth\MustVerifyEmail;
-use Illuminate\Database\Eloquent\Factories\HasFactory;
-use Illuminate\Foundation\Auth\User as Authenticatable;
+use Laravel\Sanctum\HasApiTokens;
+use Laravel\Jetstream\HasProfilePhoto;
 use Illuminate\Notifications\Notifiable;
 use Laravel\Fortify\TwoFactorAuthenticatable;
-use Laravel\Jetstream\HasProfilePhoto;
-use Laravel\Sanctum\HasApiTokens;
+use Illuminate\Database\Eloquent\Concerns\HasUuids;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Foundation\Auth\User as Authenticatable;
 
 class User extends Authenticatable
 {
@@ -17,6 +18,7 @@ class User extends Authenticatable
     use HasProfilePhoto;
     use Notifiable;
     use TwoFactorAuthenticatable;
+    use HasUuids;
 
     /**
      * The attributes that are mass assignable.
diff --git a/database/migrations/0001_01_01_000000_create_users_table.php b/database/migrations/0001_01_01_000000_create_users_table.php
index 31d7807..f60b77d 100644
--- a/database/migrations/0001_01_01_000000_create_users_table.php
+++ b/database/migrations/0001_01_01_000000_create_users_table.php
@@ -12,13 +12,12 @@ return new class extends Migration
     public function up(): void
     {
         Schema::create('users', function (Blueprint $table) {
-            $table->id();
+            $table->uuid('id')->primary(); 
             $table->string('name');
             $table->string('email')->unique();
             $table->timestamp('email_verified_at')->nullable();
             $table->string('password');
             $table->rememberToken();
-            $table->foreignId('current_team_id')->nullable();
             $table->string('profile_photo_path', 2048)->nullable();
             $table->timestamps();
         });
@@ -28,15 +27,6 @@ return new class extends Migration
             $table->string('token');
             $table->timestamp('created_at')->nullable();
         });
-
-        Schema::create('sessions', function (Blueprint $table) {
-            $table->string('id')->primary();
-            $table->foreignId('user_id')->nullable()->index();
-            $table->string('ip_address', 45)->nullable();
-            $table->text('user_agent')->nullable();
-            $table->longText('payload');
-            $table->integer('last_activity')->index();
-        });
     }
 
     /**
diff --git a/database/migrations/0001_01_01_000001_create_cache_table.php b/database/migrations/0001_01_01_000001_create_cache_table.php
deleted file mode 100644
index b9c106b..0000000
--- a/database/migrations/0001_01_01_000001_create_cache_table.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-
-use Illuminate\Database\Migrations\Migration;
-use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Support\Facades\Schema;
-
-return new class extends Migration
-{
-    /**
-     * Run the migrations.
-     */
-    public function up(): void
-    {
-        Schema::create('cache', function (Blueprint $table) {
-            $table->string('key')->primary();
-            $table->mediumText('value');
-            $table->integer('expiration');
-        });
-
-        Schema::create('cache_locks', function (Blueprint $table) {
-            $table->string('key')->primary();
-            $table->string('owner');
-            $table->integer('expiration');
-        });
-    }
-
-    /**
-     * Reverse the migrations.
-     */
-    public function down(): void
-    {
-        Schema::dropIfExists('cache');
-        Schema::dropIfExists('cache_locks');
-    }
-};
diff --git a/database/migrations/0001_01_01_000002_create_failed_jobs_table.php b/database/migrations/0001_01_01_000002_create_failed_jobs_table.php
new file mode 100644
index 0000000..249da81
--- /dev/null
+++ b/database/migrations/0001_01_01_000002_create_failed_jobs_table.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('failed_jobs', function (Blueprint $table) {
+            $table->id();
+            $table->string('uuid')->unique();
+            $table->text('connection');
+            $table->text('queue');
+            $table->longText('payload');
+            $table->longText('exception');
+            $table->timestamp('failed_at')->useCurrent();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('failed_jobs');
+    }
+};
diff --git a/database/migrations/0001_01_01_000002_create_jobs_table.php b/database/migrations/0001_01_01_000002_create_jobs_table.php
deleted file mode 100644
index 425e705..0000000
--- a/database/migrations/0001_01_01_000002_create_jobs_table.php
+++ /dev/null
@@ -1,57 +0,0 @@
-<?php
-
-use Illuminate\Database\Migrations\Migration;
-use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Support\Facades\Schema;
-
-return new class extends Migration
-{
-    /**
-     * Run the migrations.
-     */
-    public function up(): void
-    {
-        Schema::create('jobs', function (Blueprint $table) {
-            $table->id();
-            $table->string('queue')->index();
-            $table->longText('payload');
-            $table->unsignedTinyInteger('attempts');
-            $table->unsignedInteger('reserved_at')->nullable();
-            $table->unsignedInteger('available_at');
-            $table->unsignedInteger('created_at');
-        });
-
-        Schema::create('job_batches', function (Blueprint $table) {
-            $table->string('id')->primary();
-            $table->string('name');
-            $table->integer('total_jobs');
-            $table->integer('pending_jobs');
-            $table->integer('failed_jobs');
-            $table->longText('failed_job_ids');
-            $table->mediumText('options')->nullable();
-            $table->integer('cancelled_at')->nullable();
-            $table->integer('created_at');
-            $table->integer('finished_at')->nullable();
-        });
-
-        Schema::create('failed_jobs', function (Blueprint $table) {
-            $table->id();
-            $table->string('uuid')->unique();
-            $table->text('connection');
-            $table->text('queue');
-            $table->longText('payload');
-            $table->longText('exception');
-            $table->timestamp('failed_at')->useCurrent();
-        });
-    }
-
-    /**
-     * Reverse the migrations.
-     */
-    public function down(): void
-    {
-        Schema::dropIfExists('jobs');
-        Schema::dropIfExists('job_batches');
-        Schema::dropIfExists('failed_jobs');
-    }
-};
diff --git a/database/migrations/2021_01_30_102537_create_portfolios_table.php b/database/migrations/2021_01_30_102537_create_portfolios_table.php
index 0aea361..3ee0a89 100644
--- a/database/migrations/2021_01_30_102537_create_portfolios_table.php
+++ b/database/migrations/2021_01_30_102537_create_portfolios_table.php
@@ -14,7 +14,7 @@ return new class extends Migration
     public function up()
     {
         Schema::create('portfolios', function (Blueprint $table) {
-            $table->id();
+            $table->uuid('id')->primary(); 
             $table->string('title');
             $table->text('notes')->nullable();
             $table->boolean('wishlist')->default(false);
diff --git a/database/migrations/2021_01_30_112537_create_portfolio_users_table.php b/database/migrations/2021_01_30_112537_create_portfolio_users_table.php
index 065442a..0a9b615 100644
--- a/database/migrations/2021_01_30_112537_create_portfolio_users_table.php
+++ b/database/migrations/2021_01_30_112537_create_portfolio_users_table.php
@@ -19,6 +19,7 @@ return new class extends Migration
             $table->foreignIdFor(Portfolio::class, 'portfolio_id')->onDelete('cascade');
             $table->foreignIdFor(User::class, 'user_id')->onDelete('cascade');
             $table->boolean('owner')->default(false);
+            $table->boolean('read')->default(false);
             $table->boolean('write')->default(false);
             $table->primary(['portfolio_id', 'user_id']);
         });
diff --git a/database/migrations/2021_02_25_041227_create_daily_change_table.php b/database/migrations/2021_02_25_041227_create_daily_change_table.php
index 653618d..6e72094 100644
--- a/database/migrations/2021_02_25_041227_create_daily_change_table.php
+++ b/database/migrations/2021_02_25_041227_create_daily_change_table.php
@@ -22,7 +22,7 @@ class CreateDailyChangeTable extends Migration
             $table->float('total_gain_loss', 12, 4)->nullable();
             $table->float('total_dividends', 12, 4)->nullable();
             $table->float('realized_gains', 12, 4)->nullable();
-            $table->text('notes')->nullable();
+            $table->text('annotation')->nullable();
 
             $table->primary(['date', 'portfolio_id']);
         });
diff --git a/database/migrations/2021_02_25_041236_create_dividends_table.php b/database/migrations/2021_02_25_041236_create_dividends_table.php
index 21528be..ff516a9 100644
--- a/database/migrations/2021_02_25_041236_create_dividends_table.php
+++ b/database/migrations/2021_02_25_041236_create_dividends_table.php
@@ -14,9 +14,9 @@ class CreateDividendsTable extends Migration
     public function up()
     {
         Schema::create('dividends', function (Blueprint $table) {
-            $table->id();
+            $table->uuid('id')->primary(); 
             $table->date('date');
-            $table->string('symbol');
+            $table->string('symbol', 15);
             $table->float('dividend_amount', 12, 4);
             $table->timestamps();
         });
diff --git a/database/migrations/2021_02_25_041246_create_splits_table.php b/database/migrations/2021_02_25_041246_create_splits_table.php
index 21093df..a3727cf 100644
--- a/database/migrations/2021_02_25_041246_create_splits_table.php
+++ b/database/migrations/2021_02_25_041246_create_splits_table.php
@@ -14,9 +14,9 @@ class CreateSplitsTable extends Migration
     public function up()
     {
         Schema::create('splits', function (Blueprint $table) {
-            $table->id();
+            $table->uuid('id')->primary(); 
             $table->date('date');
-            $table->string('symbol');
+            $table->string('symbol', 15);
             $table->float('split_amount', 12, 4);
             $table->timestamps();
         });
diff --git a/database/migrations/2021_02_25_041257_create_transactions_table.php b/database/migrations/2021_02_25_041257_create_transactions_table.php
index abd03f3..a567825 100644
--- a/database/migrations/2021_02_25_041257_create_transactions_table.php
+++ b/database/migrations/2021_02_25_041257_create_transactions_table.php
@@ -15,10 +15,10 @@ class CreateTransactionsTable extends Migration
     public function up()
     {
         Schema::create('transactions', function (Blueprint $table) {
-            $table->id();
-            $table->string('symbol');
+            $table->uuid('id')->primary(); 
+            $table->string('symbol', 15);
             $table->foreignIdFor(Portfolio::class, 'portfolio_id')->onDelete('cascade');
-            $table->string('transaction_type');
+            $table->string('transaction_type', 15);
             $table->float('quantity', 12, 4);
             $table->float('cost_basis', 12, 4);
             $table->float('sale_price', 12, 4)->nullable();
diff --git a/database/migrations/2021_02_26_041257_create_market_data_table.php b/database/migrations/2021_02_26_041257_create_market_data_table.php
index 2b01286..f8345df 100644
--- a/database/migrations/2021_02_26_041257_create_market_data_table.php
+++ b/database/migrations/2021_02_26_041257_create_market_data_table.php
@@ -14,7 +14,7 @@ class CreateMarketDataTable extends Migration
     public function up()
     {
         Schema::create('market_data', function (Blueprint $table) {
-            $table->string('symbol')->primary();
+            $table->string('symbol', 15)->primary();
             $table->string('name');
             $table->float('market_value', 12, 4);
             $table->float('fifty_two_week_low', 12, 4);
diff --git a/database/migrations/2021_09_06_014744_create_holdings_table.php b/database/migrations/2021_09_06_014744_create_holdings_table.php
index 568bf98..a5f4b09 100644
--- a/database/migrations/2021_09_06_014744_create_holdings_table.php
+++ b/database/migrations/2021_09_06_014744_create_holdings_table.php
@@ -15,9 +15,9 @@ class CreateHoldingsTable extends Migration
     public function up()
     {
         Schema::create('holdings', function (Blueprint $table) {
-            $table->id();
+            $table->uuid('id')->primary(); 
             $table->foreignIdFor(Portfolio::class, 'portfolio_id')->onDelete('cascade');
-            $table->string('symbol');
+            $table->string('symbol', 15);
             $table->float('quantity', 12, 4);
             $table->float('average_cost_basis', 12, 4);
             $table->float('total_cost_basis', 12, 4)->nullable();
diff --git a/database/migrations/2024_07_30_012537_create_personal_access_tokens_table.php b/database/migrations/2024_07_30_012537_create_personal_access_tokens_table.php
index e828ad8..29db28a 100644
--- a/database/migrations/2024_07_30_012537_create_personal_access_tokens_table.php
+++ b/database/migrations/2024_07_30_012537_create_personal_access_tokens_table.php
@@ -13,7 +13,7 @@ return new class extends Migration
     {
         Schema::create('personal_access_tokens', function (Blueprint $table) {
             $table->id();
-            $table->morphs('tokenable');
+            $table->uuidMorphs('tokenable');
             $table->string('name');
             $table->string('token', 64)->unique();
             $table->text('abilities')->nullable();