diff --git a/src/OpenIddict.Core/Managers/OpenIddictScopeManager.cs b/src/OpenIddict.Core/Managers/OpenIddictScopeManager.cs
index 48cd9add..644e7b23 100644
--- a/src/OpenIddict.Core/Managers/OpenIddictScopeManager.cs
+++ b/src/OpenIddict.Core/Managers/OpenIddictScopeManager.cs
@@ -152,6 +152,25 @@ namespace OpenIddict.Core
             }
         }
 
+        /// <summary>
+        /// Retrieves an authorization using its unique identifier.
+        /// </summary>
+        /// <param name="identifier">The unique identifier associated with the authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the authorization corresponding to the identifier.
+        /// </returns>
+        public virtual Task<TScope> FindByIdAsync([NotNull] string identifier, CancellationToken cancellationToken)
+        {
+            if (string.IsNullOrEmpty(identifier))
+            {
+                throw new ArgumentException("The identifier cannot be null or empty.", nameof(identifier));
+            }
+
+            return Store.FindByIdAsync(identifier, cancellationToken);
+        }
+
         /// <summary>
         /// Executes the specified query and returns the first element.
         /// </summary>
@@ -191,6 +210,25 @@ namespace OpenIddict.Core
             return Store.GetAsync(query, state, cancellationToken);
         }
 
+        /// <summary>
+        /// Retrieves the unique identifier associated with a scope.
+        /// </summary>
+        /// <param name="scope">The scope.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the unique identifier associated with the scope.
+        /// </returns>
+        public virtual Task<string> GetIdAsync([NotNull] TScope scope, CancellationToken cancellationToken)
+        {
+            if (scope == null)
+            {
+                throw new ArgumentNullException(nameof(scope));
+            }
+
+            return Store.GetIdAsync(scope, cancellationToken);
+        }
+
         /// <summary>
         /// Executes the specified query and returns all the corresponding elements.
         /// </summary>
diff --git a/src/OpenIddict.Core/Stores/IOpenIddictScopeStore.cs b/src/OpenIddict.Core/Stores/IOpenIddictScopeStore.cs
index 4460c2d5..4d3c7329 100644
--- a/src/OpenIddict.Core/Stores/IOpenIddictScopeStore.cs
+++ b/src/OpenIddict.Core/Stores/IOpenIddictScopeStore.cs
@@ -61,6 +61,17 @@ namespace OpenIddict.Core
         /// </returns>
         Task DeleteAsync([NotNull] TScope scope, CancellationToken cancellationToken);
 
+        /// <summary>
+        /// Retrieves an authorization using its unique identifier.
+        /// </summary>
+        /// <param name="identifier">The unique identifier associated with the authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the authorization corresponding to the identifier.
+        /// </returns>
+        Task<TScope> FindByIdAsync([NotNull] string identifier, CancellationToken cancellationToken);
+
         /// <summary>
         /// Executes the specified query and returns the first element.
         /// </summary>
@@ -88,6 +99,17 @@ namespace OpenIddict.Core
         /// </returns>
         Task<string> GetDescriptionAsync([NotNull] TScope scope, CancellationToken cancellationToken);
 
+        /// <summary>
+        /// Retrieves the unique identifier associated with a scope.
+        /// </summary>
+        /// <param name="scope">The scope.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the unique identifier associated with the scope.
+        /// </returns>
+        Task<string> GetIdAsync([NotNull] TScope scope, CancellationToken cancellationToken);
+
         /// <summary>
         /// Retrieves the name associated with a scope.
         /// </summary>
diff --git a/src/OpenIddict.Core/Stores/OpenIddictScopeStore.cs b/src/OpenIddict.Core/Stores/OpenIddictScopeStore.cs
index d828c2bc..1591f97e 100644
--- a/src/OpenIddict.Core/Stores/OpenIddictScopeStore.cs
+++ b/src/OpenIddict.Core/Stores/OpenIddictScopeStore.cs
@@ -70,6 +70,30 @@ namespace OpenIddict.Core
         /// </returns>
         public abstract Task DeleteAsync([NotNull] TScope scope, CancellationToken cancellationToken);
 
+        /// <summary>
+        /// Retrieves an authorization using its unique identifier.
+        /// </summary>
+        /// <param name="identifier">The unique identifier associated with the authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the authorization corresponding to the identifier.
+        /// </returns>
+        public virtual Task<TScope> FindByIdAsync([NotNull] string identifier, CancellationToken cancellationToken)
+        {
+            if (string.IsNullOrEmpty(identifier))
+            {
+                throw new ArgumentException("The identifier cannot be null or empty.", nameof(identifier));
+            }
+
+            IQueryable<TScope> Query(IQueryable<TScope> scopes, TKey key)
+                => from scope in scopes
+                   where scope.Id.Equals(key)
+                   select scope;
+
+            return GetAsync((scopes, key) => Query(scopes, key), ConvertIdentifierFromString(identifier), cancellationToken);
+        }
+
         /// <summary>
         /// Executes the specified query and returns the first element.
         /// </summary>
@@ -105,6 +129,25 @@ namespace OpenIddict.Core
             return Task.FromResult(scope.Description);
         }
 
+        /// <summary>
+        /// Retrieves the unique identifier associated with a scope.
+        /// </summary>
+        /// <param name="scope">The scope.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the unique identifier associated with the scope.
+        /// </returns>
+        public virtual Task<string> GetIdAsync([NotNull] TScope scope, CancellationToken cancellationToken)
+        {
+            if (scope == null)
+            {
+                throw new ArgumentNullException(nameof(scope));
+            }
+
+            return Task.FromResult(ConvertIdentifierToString(scope.Id));
+        }
+
         /// <summary>
         /// Retrieves the name associated with a scope.
         /// </summary>
diff --git a/src/OpenIddict.EntityFramework/Stores/OpenIddictScopeStore.cs b/src/OpenIddict.EntityFramework/Stores/OpenIddictScopeStore.cs
index adad729a..4cad07cd 100644
--- a/src/OpenIddict.EntityFramework/Stores/OpenIddictScopeStore.cs
+++ b/src/OpenIddict.EntityFramework/Stores/OpenIddictScopeStore.cs
@@ -134,6 +134,25 @@ namespace OpenIddict.EntityFramework
             return Context.SaveChangesAsync(cancellationToken);
         }
 
+        /// <summary>
+        /// Retrieves an authorization using its unique identifier.
+        /// </summary>
+        /// <param name="identifier">The unique identifier associated with the authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the authorization corresponding to the identifier.
+        /// </returns>
+        public override Task<TScope> FindByIdAsync([NotNull] string identifier, CancellationToken cancellationToken)
+        {
+            if (string.IsNullOrEmpty(identifier))
+            {
+                throw new ArgumentException("The identifier cannot be null or empty.", nameof(identifier));
+            }
+
+            return Scopes.FindAsync(cancellationToken, ConvertIdentifierFromString(identifier));
+        }
+
         /// <summary>
         /// Executes the specified query and returns the first element.
         /// </summary>
diff --git a/src/OpenIddict.EntityFrameworkCore/Stores/OpenIddictScopeStore.cs b/src/OpenIddict.EntityFrameworkCore/Stores/OpenIddictScopeStore.cs
index b46276e8..536f7af3 100644
--- a/src/OpenIddict.EntityFrameworkCore/Stores/OpenIddictScopeStore.cs
+++ b/src/OpenIddict.EntityFrameworkCore/Stores/OpenIddictScopeStore.cs
@@ -134,6 +134,25 @@ namespace OpenIddict.EntityFrameworkCore
             return Context.SaveChangesAsync(cancellationToken);
         }
 
+        /// <summary>
+        /// Retrieves an authorization using its unique identifier.
+        /// </summary>
+        /// <param name="identifier">The unique identifier associated with the authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the authorization corresponding to the identifier.
+        /// </returns>
+        public override Task<TScope> FindByIdAsync([NotNull] string identifier, CancellationToken cancellationToken)
+        {
+            if (string.IsNullOrEmpty(identifier))
+            {
+                throw new ArgumentException("The identifier cannot be null or empty.", nameof(identifier));
+            }
+
+            return Scopes.FindAsync(new object[] { ConvertIdentifierFromString(identifier) }, cancellationToken);
+        }
+
         /// <summary>
         /// Executes the specified query and returns the first element.
         /// </summary>