diff --git a/app/models/fediblock_state.rb b/app/models/fediblock_state.rb
new file mode 100644
index 00000000..8045e23e
--- /dev/null
+++ b/app/models/fediblock_state.rb
@@ -0,0 +1,72 @@
+# frozen_string_literal: true
+
+# Relación entre Fediblocks y Sites
+class FediblockState < ApplicationRecord
+  include AASM
+
+  belongs_to :site
+  belongs_to :fediblock, class_name: 'ActivityPub::Fediblock'
+
+  # El efecto secundario de esta máquina de estados es modificar el
+  # estado de moderación de cada instancia en el sitio.  Nos salteamos
+  # los hooks de los eventos individuales.
+  aasm do
+    # Aunque queramos las listas habilitadas por defecto, tenemos que
+    # habilitarlas luego de crearlas para poder generar la lista de
+    # bloqueo en la Social Inbox.
+    state :disabled, initial: true
+    state :enabled
+
+    event :enable do
+      transitions from: :disabled, to: :enabled
+
+      before do
+        enable_remotely!
+      end
+    end
+
+    # Al deshabilitar, las listas pasan a modo pausa.
+    #
+    # @todo No cambiar el estado si se habían habilitado manualmente,
+    # pero esto implica que tenemos que encontrar las que sí y quitarlas
+    # de list_names
+    event :disable do
+      transitions from: :enabled, to: :disabled
+
+      before do
+        disable_remotely!
+      end
+    end
+  end
+
+  private
+
+  # Obtiene todos los IDs de instancias para poder obtener el estado de
+  # moderación en el sitio.
+  #
+  # @return [Array<String>]
+  def instance_ids
+    ActivityPub::Instance.where(hostname: fediblock.instances).pluck(:id)
+  end
+
+  # @return [Array<String>]
+  def list_names
+    @list_names ||= fediblock.instances.map do |instance|
+      "@*@#{instance}"
+    end
+  end
+
+  # Al deshabilitar, las instancias pasan a ser analizadas caso por caso
+  def disable_remotely!
+    raise AASM::InvalidTransition unless
+      site.social_inbox.blocklist.delete(list: list_names).ok? &&
+      site.social_inbox.allowlist.delete(list: list_names).ok?
+  end
+
+  # Al habilitar, se bloquean todas las instancias de la lista
+  def enable_remotely!
+    raise AASM::InvalidTransition unless
+      site.social_inbox.blocklist.post(list: list_names).ok? &&
+      site.social_inbox.allowlist.delete(list: list_names).ok?
+  end
+end
diff --git a/app/models/site/social_distributed_press.rb b/app/models/site/social_distributed_press.rb
index 73b284bf..e0d2d4f4 100644
--- a/app/models/site/social_distributed_press.rb
+++ b/app/models/site/social_distributed_press.rb
@@ -12,6 +12,7 @@ class Site
 
       has_many :activity_pubs
       has_many :instance_moderations
+      has_many :fediblock_states
 
       before_save :generate_private_key_pem!, unless: :private_key_pem?
 
diff --git a/db/migrate/20240227142019_create_fediblock_states.rb b/db/migrate/20240227142019_create_fediblock_states.rb
new file mode 100644
index 00000000..c99cf63d
--- /dev/null
+++ b/db/migrate/20240227142019_create_fediblock_states.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+# La relación entre sitios y fediblocks
+class CreateFediblockStates < ActiveRecord::Migration[6.1]
+  def up
+    create_table :fediblock_states, id: :uuid do |t|
+      t.timestamps
+
+      t.belongs_to :site
+      t.uuid :fediblock_id, index: true
+      t.string :aasm_state
+
+      t.index %i[site_id fediblock_id], unique: true
+    end
+
+    # Todas las listas están activas por defecto
+    DeploySocialDistributedPress.find_each do |deploy|
+      ActivityPub::Fediblock.find_each do |fediblock|
+        FediblockState.create(site: deploy.site, fediblock: fediblock, aasm_state: 'disabled').tap do |f|
+          f.enable!
+        end
+      end
+    end
+  end
+
+  def down
+    drop_table :fediblock_states
+  end
+end
diff --git a/db/structure.sql b/db/structure.sql
index 241039d1..ac897695 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -944,6 +944,20 @@ CREATE SEQUENCE public.distributed_press_publishers_id_seq
 ALTER SEQUENCE public.distributed_press_publishers_id_seq OWNED BY public.distributed_press_publishers.id;
 
 
+--
+-- Name: fediblock_states; Type: TABLE; Schema: public; Owner: -
+--
+
+CREATE TABLE public.fediblock_states (
+    id uuid DEFAULT gen_random_uuid() NOT NULL,
+    created_at timestamp(6) without time zone NOT NULL,
+    updated_at timestamp(6) without time zone NOT NULL,
+    site_id bigint,
+    fediblock_id uuid,
+    aasm_state character varying
+);
+
+
 --
 -- Name: indexed_posts; Type: TABLE; Schema: public; Owner: -
 --
@@ -1830,6 +1844,14 @@ ALTER TABLE ONLY public.distributed_press_publishers
     ADD CONSTRAINT distributed_press_publishers_pkey PRIMARY KEY (id);
 
 
+--
+-- Name: fediblock_states fediblock_states_pkey; Type: CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.fediblock_states
+    ADD CONSTRAINT fediblock_states_pkey PRIMARY KEY (id);
+
+
 --
 -- Name: indexed_posts indexed_posts_pkey; Type: CONSTRAINT; Schema: public; Owner: -
 --
@@ -2176,6 +2198,27 @@ CREATE UNIQUE INDEX index_designs_on_gem ON public.designs USING btree (gem);
 CREATE UNIQUE INDEX index_designs_on_name ON public.designs USING btree (name);
 
 
+--
+-- Name: index_fediblock_states_on_fediblock_id; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_fediblock_states_on_fediblock_id ON public.fediblock_states USING btree (fediblock_id);
+
+
+--
+-- Name: index_fediblock_states_on_site_id; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_fediblock_states_on_site_id ON public.fediblock_states USING btree (site_id);
+
+
+--
+-- Name: index_fediblock_states_on_site_id_and_fediblock_id; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE UNIQUE INDEX index_fediblock_states_on_site_id_and_fediblock_id ON public.fediblock_states USING btree (site_id, fediblock_id);
+
+
 --
 -- Name: index_indexed_posts_on_front_matter; Type: INDEX; Schema: public; Owner: -
 --
@@ -2571,6 +2614,7 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('20240223170317'),
 ('20240226133022'),
 ('20240226134335'),
-('20240227134845');
+('20240227134845'),
+('20240227142019');