diff --git a/src/commands/fun/eco.ts b/src/commands/fun/eco.ts
index da7d97a..022383a 100644
--- a/src/commands/fun/eco.ts
+++ b/src/commands/fun/eco.ts
@@ -3,6 +3,7 @@ import {isAuthorized, getMoneyEmbed} from "./modules/eco-utils";
 import {DailyCommand, PayCommand, GuildCommand, LeaderboardCommand} from "./modules/eco-core";
 import {BuyCommand, ShopCommand} from "./modules/eco-shop";
 import {MondayCommand} from "./modules/eco-extras";
+import {BetCommand} from "./modules/eco-bet";
 
 export default new NamedCommand({
     description: "Economy command for Monika.",
@@ -16,7 +17,8 @@ export default new NamedCommand({
         leaderboard: LeaderboardCommand,
         buy: BuyCommand,
         shop: ShopCommand,
-        monday: MondayCommand
+        monday: MondayCommand,
+        bet: BetCommand
     },
     id: "user",
     user: new Command({
diff --git a/src/commands/fun/modules/eco-bet.ts b/src/commands/fun/modules/eco-bet.ts
new file mode 100644
index 0000000..f3ea452
--- /dev/null
+++ b/src/commands/fun/modules/eco-bet.ts
@@ -0,0 +1,198 @@
+import {Command, NamedCommand, askYesOrNo} from "../../../core";
+import {pluralise} from "../../../lib";
+import {Storage} from "../../../structures";
+import {isAuthorized, getMoneyEmbed, getSendEmbed, ECO_EMBED_COLOR} from "./eco-utils";
+import {User} from "discord.js";
+
+export const BetCommand = new NamedCommand({
+    description: "Bet your Mons with other people.",
+    usage: "<user> <amount> <duration>",
+    run: "Who are you betting with?",
+    user: new Command({
+        description: "User to bet with.",
+        // handles missing amount argument
+        async run({args, author, channel, guild}) {
+            if (isAuthorized(guild, channel)) {
+                const target = args[0];
+
+                // handle invalid target
+                if (target.id == author.id) return channel.send("You can't bet Mons with yourself!");
+                else if (target.bot && process.argv[2] !== "dev") return channel.send("You can't bet Mons with a bot!");
+
+                return channel.send("How much are you betting?");
+            } else return;
+        },
+        number: new Command({
+            description: "Amount of Mons to bet.",
+            // handles missing duration argument
+            async run({args, author, channel, guild}) {
+                if (isAuthorized(guild, channel)) {
+                    const sender = Storage.getUser(author.id);
+                    const target = args[0] as User;
+                    const receiver = Storage.getUser(target.id);
+                    const amount = Math.floor(args[1]);
+
+                    // handle invalid target
+                    if (target.id == author.id) return channel.send("You can't bet Mons with yourself!");
+                    else if (target.bot && process.argv[2] !== "dev")
+                        return channel.send("You can't bet Mons with a bot!");
+
+                    // handle invalid amount
+                    if (amount <= 0) return channel.send("You must bet at least one Mon!");
+                    else if (sender.money < amount)
+                        return channel.send("You don't have enough Mons for that.", getMoneyEmbed(author));
+                    else if (receiver.money < amount)
+                        return channel.send("They don't have enough Mons for that.", getMoneyEmbed(target));
+
+                    return channel.send("How long until the bet ends?");
+                } else return;
+            },
+            any: new Command({
+                description: "Duration of the bet.",
+                async run({client, args, author, message, channel, guild}) {
+                    if (isAuthorized(guild, channel)) {
+                        // [Pertinence to make configurable on the fly.]
+                        // Lower and upper bounds for bet
+                        const durationBounds = {min: "1m", max: "1d"};
+
+                        const sender = Storage.getUser(author.id);
+                        const target = args[0] as User;
+                        const receiver = Storage.getUser(target.id);
+                        const amount = Math.floor(args[1]);
+                        const duration = parseDuration(args[2].trim());
+
+                        // handle invalid target
+                        if (target.id == author.id) return channel.send("You can't bet Mons with yourself!");
+                        else if (target.bot && process.argv[2] !== "dev")
+                            return channel.send("You can't bet Mons with a bot!");
+
+                        // handle invalid amount
+                        if (amount <= 0) return channel.send("You must bet at least one Mon!");
+                        else if (sender.money < amount)
+                            return channel.send("You don't have enough Mons for that.", getMoneyEmbed(author));
+                        else if (receiver.money < amount)
+                            return channel.send("They don't have enough Mons for that.", getMoneyEmbed(target));
+
+                        // handle invalid duration
+                        if (duration <= 0) return channel.send("Invalid bet duration");
+                        else if (duration <= parseDuration(durationBounds.min))
+                            return channel.send(`Bet duration is too short, maximum duration is ${durationBounds.min}`);
+                        else if (duration >= parseDuration(durationBounds.max))
+                            return channel.send(`Bet duration is too long, maximum duration is ${durationBounds.max}`);
+
+                        // Ask target whether or not they want to take the bet.
+                        const takeBet = await askYesOrNo(
+                            await channel.send(
+                                `<@${target.id}>, do you want to take this bet of ${pluralise(amount, "Mon", "s")}`
+                            ),
+                            target.id
+                        );
+
+                        if (takeBet) {
+                            // [MEDIUM PRIORITY: bet persistence to prevent losses in case of shutdown.]
+                            // Remove amount money from both parts at the start to avoid duplication of money.
+                            sender.money -= amount;
+                            receiver.money -= amount;
+                            // Very hacky solution for persistence but better than no solution, backup returns runs during the bot's setup code.
+                            sender.ecoBetInsurance += amount;
+                            receiver.ecoBetInsurance += amount;
+                            Storage.save();
+
+                            // Notify both users.
+                            await channel.send(
+                                `<@${target.id}> has taken <@${author.id}>'s bet, the bet amount of ${pluralise(
+                                    amount,
+                                    "Mon",
+                                    "s"
+                                )} has been deducted from each of them.`
+                            );
+
+                            // Wait for the duration of the bet.
+                            return client.setTimeout(async () => {
+                                // In debug mode, saving the storage will break the references, so you have to redeclare sender and receiver for it to actually save.
+                                const sender = Storage.getUser(author.id);
+                                const receiver = Storage.getUser(target.id);
+                                // [TODO: when D.JSv13 comes out, inline reply to clean up.]
+                                // When bet is over, give a vote to ask people their thoughts.
+                                const voteMsg = await channel.send(
+                                    `VOTE: do you think that <@${
+                                        target.id
+                                    }> has won the bet?\nhttps://discord.com/channels/${guild!.id}/${channel.id}/${
+                                        message.id
+                                    }`
+                                );
+                                await voteMsg.react("✅");
+                                await voteMsg.react("❌");
+
+                                // Filter reactions to only collect the pertinent ones.
+                                voteMsg
+                                    .awaitReactions(
+                                        (reaction, user) => {
+                                            return ["✅", "❌"].includes(reaction.emoji.name);
+                                        },
+                                        // [Pertinence to make configurable on the fly.]
+                                        {time: parseDuration("2m")}
+                                    )
+                                    .then((reactions) => {
+                                        // Count votes
+                                        const okReaction = reactions.get("✅");
+                                        const noReaction = reactions.get("❌");
+                                        const ok = okReaction ? (okReaction.count ?? 1) - 1 : 0;
+                                        const no = noReaction ? (noReaction.count ?? 1) - 1 : 0;
+
+                                        if (ok > no) {
+                                            receiver.money += amount * 2;
+                                            channel.send(
+                                                `By the people's votes, <@${target.id}> has won the bet that <@${author.id}> had sent them.`
+                                            );
+                                        } else if (ok < no) {
+                                            sender.money += amount * 2;
+                                            channel.send(
+                                                `By the people's votes, <@${target.id}> has lost the bet that <@${author.id}> had sent them.`
+                                            );
+                                        } else {
+                                            sender.money += amount;
+                                            receiver.money += amount;
+                                            channel.send(
+                                                `By the people's votes, <@${target.id}> couldn't be determined to have won or lost the bet that <@${author.id}> had sent them.`
+                                            );
+                                        }
+                                        sender.ecoBetInsurance -= amount;
+                                        receiver.ecoBetInsurance -= amount;
+                                        Storage.save();
+                                    });
+                            }, duration);
+                        } else return await channel.send(`<@${target.id}> has rejected your bet, <@${author.id}>`);
+                    } else return;
+                }
+            })
+        })
+    })
+});
+
+/**
+ * Parses a duration string into milliseconds
+ * Examples:
+ * - 3d -> 3 days    -> 259200000ms
+ * - 2h -> 2 hours   -> 7200000ms
+ * - 7m -> 7 minutes -> 420000ms
+ * - 3s -> 3 seconds -> 3000ms
+ */
+function parseDuration(duration: string): number {
+    // extract last char as unit
+    const unit = duration[duration.length - 1].toLowerCase();
+    // get the rest as value
+    let value: number = +duration.substring(0, duration.length - 1);
+
+    if (!["d", "h", "m", "s"].includes(unit) || isNaN(value)) return 0;
+
+    if (unit === "d") value *= 86400000;
+    // 1000ms * 60s * 60m * 24h
+    else if (unit === "h") value *= 3600000;
+    // 1000ms * 60s * 60m
+    else if (unit === "m") value *= 60000;
+    // 1000ms * 60s
+    else if (unit === "s") value *= 1000; // 1000ms
+
+    return value;
+}
diff --git a/src/commands/fun/whois.ts b/src/commands/fun/whois.ts
index cee90c0..d7285f6 100644
--- a/src/commands/fun/whois.ts
+++ b/src/commands/fun/whois.ts
@@ -32,6 +32,8 @@ const registry: {[id: string]: string} = {
         "You are, uhh, Stay Put, Soft Puppy, Es-Pee, Swift Pacemaker, Smug Poyo, and many more.\n...Seriously, this woman has too many names.",
     "243061915281129472":
         "Some random conlanger, worldbuilder and programmer doofus. ~~May also secretly be a nyan. :3~~",
+    "792751612904603668":
+        "Some random nyan. :3 ~~May also secretly be a conlanger, worldbuilder and programmer doofus.~~",
     "367439475153829892": "A weeb.",
     "760375501775700038": "˙qǝǝʍ ∀",
     "389178357302034442": "In his dreams, he is the star. its him. <:itsMe:808174425253871657>",
diff --git a/src/commands/system/admin.ts b/src/commands/system/admin.ts
index ac0e9e0..5e0c225 100644
--- a/src/commands/system/admin.ts
+++ b/src/commands/system/admin.ts
@@ -119,6 +119,32 @@ export default new NamedCommand({
                             })
                         })
                     }
+                }),
+                stream: new NamedCommand({
+                    description: "Set a channel to send stream notifications. Type `#` to reference the channel.",
+                    usage: "(<channel mention>)",
+                    async run({message, channel, guild, author, member, client, args}) {
+                        const targetGuild = Storage.getGuild(guild!.id);
+
+                        if (targetGuild.streamingChannel) {
+                            targetGuild.streamingChannel = null;
+                            channel.send("Removed your server's stream notifications channel.");
+                        } else {
+                            targetGuild.streamingChannel = channel.id;
+                            channel.send(`Set your server's stream notifications channel to ${channel}.`);
+                        }
+
+                        Storage.save();
+                    },
+                    id: "channel",
+                    channel: new Command({
+                        async run({message, channel, guild, author, member, client, args}) {
+                            const result = args[0] as TextChannel;
+                            Storage.getGuild(guild!.id).streamingChannel = result.id;
+                            Storage.save();
+                            channel.send(`Successfully set this server's stream notifications channel to ${result}.`);
+                        }
+                    })
                 })
             }
         }),
diff --git a/src/commands/utility/react.ts b/src/commands/utility/react.ts
index 43f3394..2e018c9 100644
--- a/src/commands/utility/react.ts
+++ b/src/commands/utility/react.ts
@@ -10,7 +10,18 @@ export default new NamedCommand({
         let target: Message | undefined;
         let distance = 1;
 
-        if (args.length >= 2) {
+        // allows reactions by using an in-line reply
+        if (message.reference) {
+            const messageID = message.reference.messageID;
+            try {
+                target = await channel.messages.fetch(messageID!);
+            } catch {
+                return channel.send("Unknown error occurred!");
+            }
+        }
+
+        // handles reacts by message id/distance
+        else if (args.length >= 2) {
             const last = args[args.length - 1]; // Because this is optional, do not .pop() unless you're sure it's a message link indicator.
             const URLPattern = /^(?:https:\/\/discord.com\/channels\/(\d{17,19})\/(\d{17,19})\/(\d{17,19}))$/;
             const copyIDPattern = /^(?:(\d{17,19})-(\d{17,19}))$/;
diff --git a/src/commands/utility/streaminfo.ts b/src/commands/utility/streaminfo.ts
new file mode 100644
index 0000000..969e668
--- /dev/null
+++ b/src/commands/utility/streaminfo.ts
@@ -0,0 +1,18 @@
+import {Command, NamedCommand} from "../../core";
+import {streamList} from "../../modules/streamNotifications";
+
+export default new NamedCommand({
+    description: "Sets the description of your stream. You can embed links by writing `[some name](some link)`",
+    async run({message, channel, guild, author, member, client, args}) {
+        const userID = author.id;
+
+        if (streamList.has(userID)) {
+            const stream = streamList.get(userID)!;
+            stream.description = args.join(" ") || "No description set.";
+            stream.update();
+        } else {
+            // Alternatively, I could make descriptions last outside of just one stream.
+            channel.send("You can only use this command when streaming.");
+        }
+    }
+});
diff --git a/src/index.ts b/src/index.ts
index 67cacb5..6c917d7 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -70,3 +70,4 @@ import "./modules/channelListener";
 import "./modules/intercept";
 import "./modules/messageEmbed";
 import "./modules/guildMemberAdd";
+import "./modules/streamNotifications";
diff --git a/src/modules/ready.ts b/src/modules/ready.ts
index eac1fa0..3b83964 100644
--- a/src/modules/ready.ts
+++ b/src/modules/ready.ts
@@ -1,5 +1,5 @@
 import {client} from "../index";
-import {Config} from "../structures";
+import {Config, Storage} from "../structures";
 
 client.once("ready", () => {
     if (client.user) {
@@ -10,5 +10,21 @@ client.once("ready", () => {
             type: "LISTENING",
             name: `${Config.prefix}help`
         });
+
+        // Run this setup block once to restore eco bet money in case the bot went down. (And I guess search the client for those users to let them know too.)
+        for (const id in Storage.users) {
+            const user = Storage.users[id];
+
+            if (user.ecoBetInsurance > 0) {
+                client.users.cache
+                    .get(id)
+                    ?.send(
+                        `Because my system either crashed or restarted while you had a pending bet, the total amount of money that you bet, which was \`${user.ecoBetInsurance}\`, has been restored.`
+                    );
+                user.money += user.ecoBetInsurance;
+                user.ecoBetInsurance = 0;
+            }
+        }
+        Storage.save();
     }
 });
diff --git a/src/modules/streamNotifications.ts b/src/modules/streamNotifications.ts
new file mode 100644
index 0000000..f6e2843
--- /dev/null
+++ b/src/modules/streamNotifications.ts
@@ -0,0 +1,84 @@
+import {GuildMember, VoiceChannel, MessageEmbed, TextChannel, Permissions, Message, Collection} from "discord.js";
+import {client} from "../index";
+import {Storage} from "../structures";
+
+type Stream = {
+    streamer: GuildMember;
+    channel: VoiceChannel;
+    description?: string;
+    message: Message;
+    update: () => void;
+};
+
+// A list of user IDs and message embeds.
+export const streamList = new Collection<string, Stream>();
+
+// Probably find a better, DRY way of doing this.
+function getStreamEmbed(streamer: GuildMember, channel: VoiceChannel, description?: string): MessageEmbed {
+    const user = streamer.user;
+    const embed = new MessageEmbed()
+        .setTitle(`Stream: \`#${channel.name}\``)
+        .setAuthor(
+            streamer.nickname ?? user.username,
+            user.avatarURL({
+                dynamic: true,
+                format: "png"
+            }) ?? user.defaultAvatarURL
+        )
+        .setColor(streamer.displayColor);
+
+    if (description) {
+        embed.setDescription(description);
+    }
+
+    return embed;
+}
+
+client.on("voiceStateUpdate", async (before, after) => {
+    const isStartStreamEvent = !before.streaming && after.streaming;
+    const isStopStreamEvent = before.streaming && (!after.streaming || !after.channel); // If you were streaming before but now are either not streaming or have left the channel.
+    // Note: isStopStreamEvent can be called twice in a row - If Discord crashes/quits while you're streaming, it'll call once with a null channel and a second time with a channel.
+
+    if (isStartStreamEvent || isStopStreamEvent) {
+        const {streamingChannel} = Storage.getGuild(after.guild.id);
+
+        if (streamingChannel) {
+            const member = after.member!;
+            const voiceChannel = after.channel!;
+            const textChannel = client.channels.cache.get(streamingChannel);
+
+            if (textChannel instanceof TextChannel) {
+                if (isStartStreamEvent) {
+                    streamList.set(member.id, {
+                        streamer: member,
+                        channel: voiceChannel,
+                        message: await textChannel.send(getStreamEmbed(member, voiceChannel)),
+                        update(this: Stream) {
+                            this.message.edit(getStreamEmbed(this.streamer, this.channel, this.description));
+                        }
+                    });
+                } else if (isStopStreamEvent) {
+                    if (streamList.has(member.id)) {
+                        const {message} = streamList.get(member.id)!;
+                        message.delete();
+                        streamList.delete(member.id);
+                    }
+                }
+            } else {
+                console.error(
+                    `The streaming notifications channel ${streamingChannel} for guild ${after.guild.id} either doesn't exist or isn't a text channel.`
+                );
+            }
+        }
+    }
+});
+
+client.on("channelUpdate", (before, after) => {
+    if (before.type === "voice" && after.type === "voice") {
+        for (const stream of streamList.values()) {
+            if (after.id === stream.channel.id) {
+                stream.update();
+            }
+        }
+    }
+});
diff --git a/src/structures.ts b/src/structures.ts
index aac1958..f764d5a 100644
--- a/src/structures.ts
+++ b/src/structures.ts
@@ -31,6 +31,7 @@ class User {
     public timezone: number | null; // This is for the standard timezone only, not the daylight savings timezone
     public daylightSavingsRegion: "na" | "eu" | "sh" | null;
     public todoList: {[timestamp: string]: string};
+    public ecoBetInsurance: number;
 
     constructor(data?: GenericJSON) {
         this.money = select(data?.money, 0, Number);
@@ -41,6 +42,7 @@ class User {
             ? data?.daylightSavingsRegion
             : null;
         this.todoList = {};
+        this.ecoBetInsurance = select(data?.ecoBetInsurance, 0, Number);
 
         if (data) {
             for (const timestamp in data.todoList) {
@@ -58,11 +60,13 @@ class Guild {
     public welcomeType: "none" | "text" | "graphical";
     public welcomeChannel: string | null;
     public welcomeMessage: string | null;
+    public streamingChannel: string | null;
 
     constructor(data?: GenericJSON) {
         this.prefix = select(data?.prefix, null, String);
         this.welcomeChannel = select(data?.welcomeChannel, null, String);
         this.welcomeMessage = select(data?.welcomeMessage, null, String);
+        this.streamingChannel = select(data?.streamingChannel, null, String);
 
         switch (data?.welcomeType) {
             case "text":