diff --git a/poetry.lock b/poetry.lock
index 4fa9e774..c7f408d5 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -66,6 +66,21 @@ version = "2.8.0"
 [package.dependencies]
 pytz = ">=2015.7"
 
+[[package]]
+category = "main"
+description = "Modern password hashing for your software and your servers"
+name = "bcrypt"
+optional = true
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "3.1.7"
+
+[package.dependencies]
+cffi = ">=1.1"
+six = ">=1.4.1"
+
+[package.extras]
+tests = ["pytest (>=3.2.1,<3.3.0 || >3.3.0)"]
+
 [[package]]
 category = "main"
 description = "Python package for providing Mozilla's CA Bundle."
@@ -913,8 +928,8 @@ python-versions = "*"
 version = "2020.1.24"
 
 [extras]
-alchemy_easy = ["sqlalchemy", "psycopg2_binary"]
-alchemy_hard = ["sqlalchemy", "psycopg2"]
+alchemy_easy = ["sqlalchemy", "psycopg2_binary", "bcrypt"]
+alchemy_hard = ["sqlalchemy", "psycopg2", "bcrypt"]
 bard = ["ffmpeg_python", "youtube_dl", "eyed3"]
 coloredlogs = ["coloredlogs"]
 constellation = ["starlette", "uvicorn", "python-multipart"]
@@ -925,7 +940,7 @@ sentry = ["sentry_sdk"]
 telegram = ["python_telegram_bot"]
 
 [metadata]
-content-hash = "f275cd948fe28423a90d37d2825eabfec97e8ac0cdf52ee2d20f803d61987b40"
+content-hash = "218f4a253a7ef17bb871abf541ae7182f1626cd43d55417de12f9561c58ca0e9"
     python-versions = "^3.8"
 
 [metadata.files]
@@ -963,6 +978,26 @@ babel = [
     {file = "Babel-2.8.0-py2.py3-none-any.whl", hash = "sha256:d670ea0b10f8b723672d3a6abeb87b565b244da220d76b4dba1b66269ec152d4"},
     {file = "Babel-2.8.0.tar.gz", hash = "sha256:1aac2ae2d0d8ea368fa90906567f5c08463d98ade155c0c4bfedd6a0f7160e38"},
 ]
+bcrypt = [
+    {file = "bcrypt-3.1.7-cp27-cp27m-macosx_10_6_intel.whl", hash = "sha256:d7bdc26475679dd073ba0ed2766445bb5b20ca4793ca0db32b399dccc6bc84b7"},
+    {file = "bcrypt-3.1.7-cp27-cp27m-manylinux1_x86_64.whl", hash = "sha256:69361315039878c0680be456640f8705d76cb4a3a3fe1e057e0f261b74be4b31"},
+    {file = "bcrypt-3.1.7-cp27-cp27m-win32.whl", hash = "sha256:5432dd7b34107ae8ed6c10a71b4397f1c853bd39a4d6ffa7e35f40584cffd161"},
+    {file = "bcrypt-3.1.7-cp27-cp27m-win_amd64.whl", hash = "sha256:9fe92406c857409b70a38729dbdf6578caf9228de0aef5bc44f859ffe971a39e"},
+    {file = "bcrypt-3.1.7-cp27-cp27mu-manylinux1_x86_64.whl", hash = "sha256:763669a367869786bb4c8fcf731f4175775a5b43f070f50f46f0b59da45375d0"},
+    {file = "bcrypt-3.1.7-cp34-abi3-macosx_10_6_intel.whl", hash = "sha256:a190f2a5dbbdbff4b74e3103cef44344bc30e61255beb27310e2aec407766052"},
+    {file = "bcrypt-3.1.7-cp34-abi3-manylinux1_x86_64.whl", hash = "sha256:c9457fa5c121e94a58d6505cadca8bed1c64444b83b3204928a866ca2e599105"},
+    {file = "bcrypt-3.1.7-cp34-cp34m-win32.whl", hash = "sha256:8b10acde4e1919d6015e1df86d4c217d3b5b01bb7744c36113ea43d529e1c3de"},
+    {file = "bcrypt-3.1.7-cp34-cp34m-win_amd64.whl", hash = "sha256:cb93f6b2ab0f6853550b74e051d297c27a638719753eb9ff66d1e4072be67133"},
+    {file = "bcrypt-3.1.7-cp35-cp35m-win32.whl", hash = "sha256:6fe49a60b25b584e2f4ef175b29d3a83ba63b3a4df1b4c0605b826668d1b6be5"},
+    {file = "bcrypt-3.1.7-cp35-cp35m-win_amd64.whl", hash = "sha256:a595c12c618119255c90deb4b046e1ca3bcfad64667c43d1166f2b04bc72db09"},
+    {file = "bcrypt-3.1.7-cp36-cp36m-win32.whl", hash = "sha256:74a015102e877d0ccd02cdeaa18b32aa7273746914a6c5d0456dd442cb65b99c"},
+    {file = "bcrypt-3.1.7-cp36-cp36m-win_amd64.whl", hash = "sha256:0258f143f3de96b7c14f762c770f5fc56ccd72f8a1857a451c1cd9a655d9ac89"},
+    {file = "bcrypt-3.1.7-cp37-cp37m-win32.whl", hash = "sha256:19a4b72a6ae5bb467fea018b825f0a7d917789bcfe893e53f15c92805d187294"},
+    {file = "bcrypt-3.1.7-cp37-cp37m-win_amd64.whl", hash = "sha256:ff032765bb8716d9387fd5376d987a937254b0619eff0972779515b5c98820bc"},
+    {file = "bcrypt-3.1.7-cp38-cp38-win32.whl", hash = "sha256:ce4e4f0deb51d38b1611a27f330426154f2980e66582dc5f438aad38b5f24fc1"},
+    {file = "bcrypt-3.1.7-cp38-cp38-win_amd64.whl", hash = "sha256:6305557019906466fc42dbc53b46da004e72fd7a551c044a827e572c82191752"},
+    {file = "bcrypt-3.1.7.tar.gz", hash = "sha256:0b0069c752ec14172c5f78208f1863d7ad6755a6fae6fe76ec2c80d13be41e42"},
+]
 certifi = [
     {file = "certifi-2019.11.28-py2.py3-none-any.whl", hash = "sha256:017c25db2a153ce562900032d5bc68e9f191e44e9a0f762f373977de9df1fbb3"},
     {file = "certifi-2019.11.28.tar.gz", hash = "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"},
diff --git a/pycharm_templates/table.vm b/pycharm_templates/table.vm
index c6134933..90eb3d5a 100644
--- a/pycharm_templates/table.vm
+++ b/pycharm_templates/table.vm
@@ -3,6 +3,7 @@ from sqlalchemy.orm import *
 from sqlalchemy.ext.declarative import declared_attr
 
 
+# noinspection PyAttributeOutsideInit
 #set($CAPITALIZED_NAME = $NAME.substring(0,1).toUpperCase() + $NAME.substring(1))
 class ${CAPITALIZED_NAME}:
     __tablename__ = "${NAME}"
diff --git a/pyproject.toml b/pyproject.toml
index a47f0fff..706b1cdf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,6 +44,7 @@
     sqlalchemy = {version="^1.3.10", optional=true}
     psycopg2 = {version="^2.8.4", optional=true}  # Requires quite a bit of stuff http://initd.org/psycopg/docs/install.html#install-from-source
     psycopg2_binary = {version="^2.8.4", optional=true}  # Prebuilt alternative to psycopg2, not recommended
+    bcrypt = {version="^3.1.7", optional=true}
 
     # constellation
     starlette = {version="^0.12.13", optional=true}
@@ -71,8 +72,8 @@
     telegram = ["python_telegram_bot"]
     discord = ["discord.py", "pynacl"]
     matrix = ["matrix-nio"]
-    alchemy_easy = ["sqlalchemy", "psycopg2_binary"]
-    alchemy_hard = ["sqlalchemy", "psycopg2"]
+    alchemy_easy = ["sqlalchemy", "psycopg2_binary", "bcrypt"]
+    alchemy_hard = ["sqlalchemy", "psycopg2", "bcrypt"]
     bard = ["ffmpeg_python", "youtube_dl", "eyed3"]
     constellation = ["starlette", "uvicorn", "python-multipart"]
     sentry = ["sentry_sdk"]
diff --git a/royalnet/backpack/commands/__init__.py b/royalnet/backpack/commands/__init__.py
index 3b99caa5..50c1aa68 100644
--- a/royalnet/backpack/commands/__init__.py
+++ b/royalnet/backpack/commands/__init__.py
@@ -1,22 +1,10 @@
 # Imports go here!
 from .version import VersionCommand
-from .exception import ExceptionCommand
-from .excevent import ExceventCommand
-from .keyboardtest import KeyboardtestCommand
 
 # Enter the commands of your Pack here!
 available_commands = [
     VersionCommand,
 ]
 
-# noinspection PyUnreachableCode
-if __debug__:
-    available_commands = [
-        *available_commands,
-        ExceptionCommand,
-        ExceventCommand,
-        KeyboardtestCommand,
-    ]
-
 # Don't change this, it should automatically generate __all__
 __all__ = [command.__name__ for command in available_commands]
diff --git a/royalnet/backpack/commands/exception.py b/royalnet/backpack/commands/exception.py
deleted file mode 100644
index 5419b0b3..00000000
--- a/royalnet/backpack/commands/exception.py
+++ /dev/null
@@ -1,11 +0,0 @@
-import royalnet
-from royalnet.commands import *
-
-
-class ExceptionCommand(Command):
-    name: str = "exception"
-
-    description: str = "Raise an exception in the command."
-
-    async def run(self, args: CommandArgs, data: CommandData) -> None:
-        raise Exception(f"{self.interface.prefix}{self.name} was called")
diff --git a/royalnet/backpack/commands/excevent.py b/royalnet/backpack/commands/excevent.py
deleted file mode 100644
index 38220942..00000000
--- a/royalnet/backpack/commands/excevent.py
+++ /dev/null
@@ -1,12 +0,0 @@
-import royalnet
-from royalnet.commands import *
-
-
-class ExceventCommand(Command):
-    name: str = "excevent"
-
-    description: str = "Call an event that raises an exception."
-
-    async def run(self, args: CommandArgs, data: CommandData) -> None:
-        await self.interface.call_herald_event(self.interface.name, "exception")
-        await data.reply("✅ Event called!")
diff --git a/royalnet/backpack/commands/keyboardtest.py b/royalnet/backpack/commands/keyboardtest.py
deleted file mode 100644
index 4f24fade..00000000
--- a/royalnet/backpack/commands/keyboardtest.py
+++ /dev/null
@@ -1,28 +0,0 @@
-from typing import *
-from royalnet.commands import *
-import functools
-import asyncio
-
-
-class KeyboardtestCommand(Command):
-    name: str = "keyboardtest"
-
-    description: str = "Create a new keyboard with the specified keys."
-
-    syntax: str = "{keys}+"
-
-    @staticmethod
-    async def echo(data: CommandData, echo: str):
-        await data.reply(echo)
-
-    async def run(self, args: CommandArgs, data: CommandData) -> None:
-        keys = []
-        for arg in args:
-            # noinspection PyTypeChecker
-            keys.append(KeyboardKey(interface=self.interface,
-                                    short=arg[0],
-                                    text=arg,
-                                    callback=functools.partial(self.echo, echo=arg)))
-        async with data.keyboard("This is a test keyboard.", keys):
-            await asyncio.sleep(10)
-        await data.reply("The keyboard is no longer in scope.")
diff --git a/royalnet/backpack/commands/link.py b/royalnet/backpack/commands/link.py
new file mode 100644
index 00000000..30c38730
--- /dev/null
+++ b/royalnet/backpack/commands/link.py
@@ -0,0 +1,86 @@
+from typing import *
+import royalnet
+import royalnet.commands as rc
+import royalnet.utils as ru
+from ..tables.telegram import Telegram
+from ..tables.discord import Discord
+
+
+class SyncCommand(rc.Command):
+    name: str = "sync"
+
+    description: str = "Connect your chat account to Royalnet!"
+
+    syntax: str = "{username} {password}"
+
+    async def run(self, args: rc.CommandArgs, data: rc.CommandData) -> None:
+        username = args[0]
+        password = " ".join(args[1:])
+
+        author = await data.get_author(error_if_none=True)
+
+        user = await data.find_user(username)
+        try:
+            successful = user.test_password(password)
+        except ValueError:
+            raise rc.UserError(f"User {user} has no password set!")
+        if not successful:
+            raise rc.InvalidInputError(f"Invalid password!")
+
+        if self.interface.name == "telegram":
+            import telegram
+            message: telegram.Message = data.message
+            from_user: telegram.User = message.from_user
+            TelegramT = self.alchemy.get(Telegram)
+            tg_user: Telegram = await ru.asyncify(
+                data.session.query(TelegramT).filter_by(tg_id=from_user.id).one_or_none
+            )
+            if tg_user is None:
+                # Create
+                tg_user = TelegramT(
+                    user=author,
+                    tg_id=from_user.id,
+                    first_name=from_user.first_name,
+                    last_name=from_user.last_name,
+                    username=from_user.username
+                )
+                data.session.add(tg_user)
+            else:
+                # Edit
+                tg_user.first_name = from_user.first_name
+                tg_user.last_name = from_user.last_name
+                tg_user.username = from_user.username
+            await data.session_commit()
+            await data.reply(f"↔️ Account {tg_user} synced to {author}!")
+
+        elif self.interface.name == "discord":
+            import discord
+            message: discord.Message = data.message
+            author: discord.User = message.author
+            DiscordT = self.alchemy.get(Discord)
+            ds_user: Discord = await ru.asyncify(
+                data.session.query(DiscordT).filter_by(discord_id=author.id).one_or_none
+            )
+            if ds_user is None:
+                # Create
+                ds_user = DiscordT(
+                    user=author,
+                    discord_id=author.id,
+                    username=author.name,
+                    discriminator=author.discriminator,
+                    avatar_url=author.avatar_url
+                )
+                data.session.add(ds_user)
+            else:
+                # Edit
+                ds_user.username = author.name
+                ds_user.discriminator = author.discriminator
+                ds_user.avatar_url = author.avatar_url
+            await data.session_commit()
+            await data.reply(f"↔️ Account {ds_user} synced to {author}!")
+
+        elif self.interface.name == "matrix":
+            raise rc.UnsupportedError(f"{self} hasn't been implemented for Matrix yet")
+
+        else:
+            raise rc.UnsupportedError(f"Unknown interface: {self.interface.name}")
diff --git a/royalnet/backpack/tables/aliases.py b/royalnet/backpack/tables/aliases.py
index 0f4ec1f8..544c78f3 100644
--- a/royalnet/backpack/tables/aliases.py
+++ b/royalnet/backpack/tables/aliases.py
@@ -10,26 +10,30 @@ class Alias:
     __tablename__ = "aliases"
 
     @declared_attr
-    def royal_id(self):
-        return Column(Integer, ForeignKey("users.uid"))
+    def user_id(self):
+        return Column(Integer, ForeignKey("users.uid"), primary_key=True)
 
     @declared_attr
     def alias(self):
         return Column(String, primary_key=True)
 
     @declared_attr
-    def royal(self):
+    def user(self):
         return relationship("User", backref="aliases")
 
     @classmethod
-    def find_by_alias(cls, alchemy, session, alias: str):
+    def find_user(cls, alchemy, session, alias: str):
         result = session.query(alchemy.get(cls)).filter_by(alias=alias.lower()).one_or_none()
         if result is not None:
             result = result.royal
         return result
 
+    def __init__(self, user: str, alias: str):
+        self.user = user
+        self.alias = alias.lower()
+
     def __repr__(self):
         return f"<Alias {str(self)}>"
 
     def __str__(self):
-        return f"{self.alias}->{self.royal_id}"
+        return f"{self.alias}->{self.user_id}"
diff --git a/royalnet/backpack/tables/discord.py b/royalnet/backpack/tables/discord.py
index 2de86e7a..4f92dbdf 100644
--- a/royalnet/backpack/tables/discord.py
+++ b/royalnet/backpack/tables/discord.py
@@ -13,9 +13,13 @@ class Discord:
     __tablename__ = "discord"
 
     @declared_attr
-    def royal_id(self):
+    def user_id(self):
         return Column(Integer, ForeignKey("users.uid"))
 
+    @declared_attr
+    def user(self):
+        return relationship("User", backref="discord")
+
     @declared_attr
     def discord_id(self):
         return Column(BigInteger, primary_key=True)
@@ -29,13 +33,9 @@ class Discord:
         return Column(String)
 
     @declared_attr
-    def avatar_hash(self):
+    def avatar_url(self):
         return Column(String)
 
-    @declared_attr
-    def royal(self):
-        return relationship("User", backref="discord")
-
     def __repr__(self):
         return f"<Discord {str(self)}>"
 
diff --git a/royalnet/backpack/tables/telegram.py b/royalnet/backpack/tables/telegram.py
index d3798f6e..54de8090 100644
--- a/royalnet/backpack/tables/telegram.py
+++ b/royalnet/backpack/tables/telegram.py
@@ -13,9 +13,13 @@ class Telegram:
     __tablename__ = "telegram"
 
     @declared_attr
-    def royal_id(self):
+    def user_id(self):
         return Column(Integer, ForeignKey("users.uid"))
 
+    @declared_attr
+    def user(self):
+        return relationship("User", backref="telegram")
+
     @declared_attr
     def tg_id(self):
         return Column(BigInteger, primary_key=True)
@@ -32,10 +36,6 @@ class Telegram:
     def username(self):
         return Column(String)
 
-    @declared_attr
-    def royal(self):
-        return relationship("User", backref="telegram")
-
     def __repr__(self):
         return f"<Telegram {str(self)}>"
 
diff --git a/royalnet/backpack/tables/users.py b/royalnet/backpack/tables/users.py
index 88ca5f87..d63a33a5 100644
--- a/royalnet/backpack/tables/users.py
+++ b/royalnet/backpack/tables/users.py
@@ -1,3 +1,4 @@
+import bcrypt
 from sqlalchemy import Column, \
                        Integer, \
                        String, \
@@ -5,6 +6,7 @@ from sqlalchemy import Column, \
 from sqlalchemy.ext.declarative import declared_attr
 
 
+# noinspection PyAttributeOutsideInit
 class User:
     __tablename__ = "users"
 
@@ -36,6 +38,16 @@ class User:
             "avatar": self.avatar
         }
 
+    def set_password(self, password: str):
+        byte_password: bytes = bytes(password, encoding="UTF8")
+        self.password = bcrypt.hashpw(byte_password, bcrypt.gensalt(14))
+
+    def test_password(self, password: str):
+        if self.password is None:
+            raise ValueError("No password is set")
+        byte_password: bytes = bytes(password, encoding="UTF8")
+        return bcrypt.checkpw(byte_password, self.password)
+
     def __repr__(self):
         return f"<{self.__class__.__qualname__} {self.username}>"
 
diff --git a/royalnet/commands/commanddata.py b/royalnet/commands/commanddata.py
index 93ee1213..4b966ca2 100644
--- a/royalnet/commands/commanddata.py
+++ b/royalnet/commands/commanddata.py
@@ -5,9 +5,11 @@ import asyncio as aio
 import royalnet.utils as ru
 from .errors import UnsupportedError
 from .commandinterface import CommandInterface
+from royalnet.backpack.tables.aliases import Alias
 
 if TYPE_CHECKING:
     from .keyboardkey import KeyboardKey
+    from royalnet.backpack.tables.users import User
 
 log = logging.getLogger(__name__)
 
@@ -64,6 +66,16 @@ class CommandData:
         if error_if_unavailable:
             raise UnsupportedError(f"'{self.delete_invoking.__name__}' is not supported")
 
+    async def find_user(self, alias: str) -> Optional["User"]:
+        """Find the User having a specific Alias.
+
+        Parameters:
+            alias: the Alias to search for."""
+        return await ru.asyncify(
+            Alias.find_user(self._interface.alchemy, self.session, alias)
+        )
+
+
     @contextlib.asynccontextmanager
     async def keyboard(self, text, keys: List["KeyboardKey"]):
         yield
diff --git a/royalnet/version.py b/royalnet/version.py
index 03217183..63bf6999 100644
--- a/royalnet/version.py
+++ b/royalnet/version.py
@@ -1 +1 @@
-semantic = "5.4"
+semantic = "5.5"