diff --git a/ProjectPlugins/GethPlugin/EthAddress.cs b/ProjectPlugins/GethPlugin/EthAddress.cs
index 54c86386..2954c488 100644
--- a/ProjectPlugins/GethPlugin/EthAddress.cs
+++ b/ProjectPlugins/GethPlugin/EthAddress.cs
@@ -13,5 +13,10 @@
         }
 
         public string Address { get; }
+
+        public override string ToString()
+        {
+            return Address;
+        }
     }
 }
diff --git a/Tools/BiblioTech/BaseCommand.cs b/Tools/BiblioTech/BaseCommand.cs
index d62ba448..6086d341 100644
--- a/Tools/BiblioTech/BaseCommand.cs
+++ b/Tools/BiblioTech/BaseCommand.cs
@@ -1,5 +1,6 @@
 using Discord.WebSocket;
 using Discord;
+using BiblioTech.TokenCommands;
 
 namespace BiblioTech
 {
@@ -33,19 +34,33 @@ namespace BiblioTech
         }
 
         protected abstract Task Invoke(SocketSlashCommand command);
+
+        protected bool IsSenderAdmin(SocketSlashCommand command)
+        {
+
+        }
+
+        protected ulong GetUserId(UserOption userOption, SocketSlashCommand command)
+        {
+            var targetUser = userOption.GetOptionUserId(command);
+            if (IsSenderAdmin(command) && targetUser != null) return targetUser.Value;
+            return command.User.Id;
+        }
     }
 
     public class CommandOption
     {
-        public CommandOption(string name, string description, ApplicationCommandOptionType type)
+        public CommandOption(string name, string description, ApplicationCommandOptionType type, bool isRequired)
         {
             Name = name;
             Description = description;
             Type = type;
+            IsRequired = isRequired;
         }
 
         public string Name { get; }
         public string Description { get; }
         public ApplicationCommandOptionType Type { get; }
+        public bool IsRequired { get; }
     }
 }
diff --git a/Tools/BiblioTech/CommandHandler.cs b/Tools/BiblioTech/CommandHandler.cs
index 963de2a0..4e5d8de2 100644
--- a/Tools/BiblioTech/CommandHandler.cs
+++ b/Tools/BiblioTech/CommandHandler.cs
@@ -31,7 +31,7 @@ namespace BiblioTech
 
                 foreach (var option in c.Options)
                 {
-                    builder.AddOption(option.Name, option.Type, option.Description, isRequired: true);
+                    builder.AddOption(option.Name, option.Type, option.Description, isRequired: option.IsRequired);
                 }
 
                 return builder;
diff --git a/Tools/BiblioTech/TokenCommands/ClearUserAssociationCommand.cs b/Tools/BiblioTech/TokenCommands/ClearUserAssociationCommand.cs
new file mode 100644
index 00000000..10aa2b2d
--- /dev/null
+++ b/Tools/BiblioTech/TokenCommands/ClearUserAssociationCommand.cs
@@ -0,0 +1,34 @@
+using Discord.WebSocket;
+
+namespace BiblioTech.TokenCommands
+{
+    public class ClearUserAssociationCommand : BaseCommand
+    {
+        private readonly UserOption user = new UserOption(
+            description: "User to clear Eth address for.",
+            isRequired: true);
+
+        public override string Name => "clear";
+        public override string StartingMessage => "Hold on...";
+        public override string Description => "Admin only. Clears current Eth address for a user, allowing them to set a new one.";
+
+        protected override async Task Invoke(SocketSlashCommand command)
+        {
+            if (!IsSenderAdmin(command))
+            {
+                await command.FollowupAsync("You're not an admin.");
+                return;
+            }
+
+            var userId = user.GetOptionUserId(command);
+            if (userId == null)
+            {
+                await command.FollowupAsync("Failed to get user ID");
+                return;
+            }
+
+            Program.UserRepo.ClearUserAssociatedAddress(userId.Value);
+            await command.FollowupAsync("Done."); ;
+        }
+    }
+}
diff --git a/Tools/BiblioTech/TokenCommands/EthAddressOption.cs b/Tools/BiblioTech/TokenCommands/EthAddressOption.cs
index 6c351bad..3298ee8b 100644
--- a/Tools/BiblioTech/TokenCommands/EthAddressOption.cs
+++ b/Tools/BiblioTech/TokenCommands/EthAddressOption.cs
@@ -8,7 +8,8 @@ namespace BiblioTech.TokenCommands
         public EthAddressOption()
             : base(name: "ethaddress",
                   description: "Ethereum address starting with '0x'.",
-                  type: Discord.ApplicationCommandOptionType.String)
+                  type: Discord.ApplicationCommandOptionType.String,
+                  isRequired: true)
         {
         }
 
diff --git a/Tools/BiblioTech/TokenCommands/GetBalanceCommand.cs b/Tools/BiblioTech/TokenCommands/GetBalanceCommand.cs
index add4c4a7..000cfaae 100644
--- a/Tools/BiblioTech/TokenCommands/GetBalanceCommand.cs
+++ b/Tools/BiblioTech/TokenCommands/GetBalanceCommand.cs
@@ -1,5 +1,4 @@
 using CodexContractsPlugin;
-using CodexPlugin;
 using Core;
 using Discord.WebSocket;
 using GethPlugin;
@@ -8,29 +7,36 @@ namespace BiblioTech.TokenCommands
 {
     public class GetBalanceCommand : BaseNetCommand
     {
-        private readonly EthAddressOption ethOption = new EthAddressOption();
+        private readonly UserAssociateCommand userAssociateCommand;
+        private readonly UserOption optionalUser = new UserOption(
+            description: "If set, get balance for another user. (Optional, admin-only)", 
+            isRequired: false);
 
-        public GetBalanceCommand(DeploymentsFilesMonitor monitor, CoreInterface ci)
+        public GetBalanceCommand(DeploymentsFilesMonitor monitor, CoreInterface ci, UserAssociateCommand userAssociateCommand)
             : base(monitor, ci)
         {
+            this.userAssociateCommand = userAssociateCommand;
         }
 
-        // connect users to eth address!
-
         public override string Name => "balance";
         public override string StartingMessage => "Fetching balance...";
         public override string Description => "Shows Eth and TestToken balance of an eth address.";
-        public override CommandOption[] Options => new[] { ethOption };
+        public override CommandOption[] Options => new[] { optionalUser };
 
         protected override async Task Execute(SocketSlashCommand command, IGethNode gethNode, ICodexContracts contracts)
         {
-            var addr = await ethOption.Parse(command);
-            if (addr == null) return;
+            var userId = GetUserId(optionalUser, command);
+            var addr = Program.UserRepo.GetCurrentAddressForUser(userId);
+            if (addr == null)
+            {
+                await command.FollowupAsync($"No address has been set for this user. Please use '/{userAssociateCommand.Name}' to set it first.");
+                return;
+            }
 
             var eth = gethNode.GetEthBalance(addr);
             var testTokens = contracts.GetTestTokenBalance(gethNode, addr);
 
-            await command.RespondAsync($"Address '{addr.Address}' has {eth} and {testTokens}.");
+            await command.FollowupAsync($"{command.User.Username} has {eth} and {testTokens}.");
         }
     }
 }
diff --git a/Tools/BiblioTech/TokenCommands/MintCommand.cs b/Tools/BiblioTech/TokenCommands/MintCommand.cs
index c22c91a7..330d2333 100644
--- a/Tools/BiblioTech/TokenCommands/MintCommand.cs
+++ b/Tools/BiblioTech/TokenCommands/MintCommand.cs
@@ -10,7 +10,9 @@ namespace BiblioTech.TokenCommands
         private readonly string nl = Environment.NewLine;
         private readonly Ether defaultEthToSend = 10.Eth();
         private readonly TestToken defaultTestTokensToMint = 1024.TestTokens();
-        private readonly EthAddressOption ethOption = new EthAddressOption();
+        private readonly UserOption optionalUser = new UserOption(
+            description: "If set, mint tokens for this user. (Optional, admin-only)",
+            isRequired: true);
 
         public MintCommand(DeploymentsFilesMonitor monitor, CoreInterface ci)
             : base(monitor, ci)
@@ -19,12 +21,13 @@ namespace BiblioTech.TokenCommands
 
         public override string Name => "mint";
         public override string StartingMessage => "Minting some tokens...";
-        public override string Description => "Mint some TestTokens and send some Eth to the address if its balance is low.";
-        public override CommandOption[] Options => new[] { ethOption };
+        public override string Description => "Mint some TestTokens and send some Eth to the user if their balance is low.";
+        public override CommandOption[] Options => new[] { optionalUser };
 
         protected override async Task Execute(SocketSlashCommand command, IGethNode gethNode, ICodexContracts contracts)
         {
-            var addr = await ethOption.Parse(command);
+            var userId = GetUserId(optionalUser, command);
+            var addr = Program.UserRepo.GetCurrentAddressForUser(userId);
             if (addr == null) return;
 
             var report =
diff --git a/Tools/BiblioTech/TokenCommands/ReportHistoryCommand.cs b/Tools/BiblioTech/TokenCommands/ReportHistoryCommand.cs
new file mode 100644
index 00000000..6cf58f1b
--- /dev/null
+++ b/Tools/BiblioTech/TokenCommands/ReportHistoryCommand.cs
@@ -0,0 +1,34 @@
+using Discord.WebSocket;
+
+namespace BiblioTech.TokenCommands
+{
+    public class ReportHistoryCommand : BaseCommand
+    {
+        private readonly UserOption user = new UserOption(
+            description: "User to report history for.",
+            isRequired: true);
+
+        public override string Name => "report";
+        public override string StartingMessage => "Getting that data...";
+        public override string Description => "Admin only. Reports bot-interaction history for a user.";
+
+        protected override async Task Invoke(SocketSlashCommand command)
+        {
+            if (!IsSenderAdmin(command))
+            {
+                await command.FollowupAsync("You're not an admin.");
+                return;
+            }
+
+            var userId = user.GetOptionUserId(command);
+            if (userId == null)
+            {
+                await command.FollowupAsync("Failed to get user ID");
+                return;
+            }
+
+            var report = Program.UserRepo.GetInteractionReport(userId.Value);
+            await command.FollowupAsync(string.Join(Environment.NewLine, report));
+        }
+    }
+}
diff --git a/Tools/BiblioTech/TokenCommands/ShowIdCommand.cs b/Tools/BiblioTech/TokenCommands/ShowIdCommand.cs
new file mode 100644
index 00000000..39d9bf4c
--- /dev/null
+++ b/Tools/BiblioTech/TokenCommands/ShowIdCommand.cs
@@ -0,0 +1,16 @@
+using Discord.WebSocket;
+
+namespace BiblioTech.TokenCommands
+{
+    public class ShowIdCommand : BaseCommand
+    {
+        public override string Name => "my-id";
+        public override string StartingMessage => "...";
+        public override string Description => "Shows you your Discord ID. (Useful for admins)";
+
+        protected override async Task Invoke(SocketSlashCommand command)
+        {
+            await command.FollowupAsync("Your ID: " + command.User.Id);
+        }
+    }
+}
diff --git a/Tools/BiblioTech/TokenCommands/UserAssociateCommand.cs b/Tools/BiblioTech/TokenCommands/UserAssociateCommand.cs
new file mode 100644
index 00000000..e989f33e
--- /dev/null
+++ b/Tools/BiblioTech/TokenCommands/UserAssociateCommand.cs
@@ -0,0 +1,33 @@
+using Discord.WebSocket;
+
+namespace BiblioTech.TokenCommands
+{
+    public class UserAssociateCommand : BaseCommand
+    {
+        private readonly EthAddressOption ethOption = new EthAddressOption();
+
+        public override string Name => "set";
+        public override string StartingMessage => "hold on...";
+        public override string Description => "Associates a Discord user with an Ethereum address in the TestNet. " +
+            "Warning: You can set your Ethereum address only once! Double-check before hitting enter.";
+
+        public override CommandOption[] Options => new[] { ethOption };
+
+        protected override async Task Invoke(SocketSlashCommand command)
+        {
+            var userId = command.User.Id;
+            var data = await ethOption.Parse(command);
+            if (data == null) return;
+
+            var currentAddress = Program.UserRepo.GetCurrentAddressForUser(userId);
+            if (currentAddress != null)
+            {
+                await command.FollowupAsync($"You've already set your Ethereum address to {currentAddress}.");
+                return;
+            }
+
+            Program.UserRepo.AssociateUserWithAddress(userId, data);
+            await command.FollowupAsync("Done! Thank you for joining the test net!");
+        }
+    }
+}
diff --git a/Tools/BiblioTech/TokenCommands/UserOption.cs b/Tools/BiblioTech/TokenCommands/UserOption.cs
new file mode 100644
index 00000000..3f1628f6
--- /dev/null
+++ b/Tools/BiblioTech/TokenCommands/UserOption.cs
@@ -0,0 +1,22 @@
+using Discord;
+using Discord.WebSocket;
+
+namespace BiblioTech.TokenCommands
+{
+    public class UserOption : CommandOption
+    {
+        public UserOption(string description, bool isRequired)
+            : base("user", description, ApplicationCommandOptionType.User, isRequired)
+        {
+        }
+
+        public ulong? GetOptionUserId(SocketSlashCommand command)
+        {
+            var userOptionData = command.Data.Options.SingleOrDefault(o => o.Name == Name);
+            if (userOptionData == null) return null;
+            var user = userOptionData.Value as IUser;
+            if (user == null) return null;
+            return user.Id;
+        }
+    }
+}
diff --git a/Tools/BiblioTech/UserRepo.cs b/Tools/BiblioTech/UserRepo.cs
index e4cfa2c3..5348f990 100644
--- a/Tools/BiblioTech/UserRepo.cs
+++ b/Tools/BiblioTech/UserRepo.cs
@@ -42,6 +42,43 @@ namespace BiblioTech
             }
         }
 
+        public string[] GetInteractionReport(ulong discordId)
+        {
+            var result = new List<string>();
+
+            lock (repoLock)
+            {
+                var filename = GetFilename(discordId);
+                if (!File.Exists(filename))
+                {
+                    result.Add("User has not joined the test net.");
+                }
+                else
+                {
+                    var user = JsonConvert.DeserializeObject<User>(File.ReadAllText(filename));
+                    if (user == null)
+                    {
+                        result.Add("Failed to load user records.");
+                    }
+                    else
+                    {
+                        result.Add("User joined on " + user.CreatedUtc.ToString("o"));
+                        result.Add("Current address: " + user.CurrentAddress);
+                        foreach (var ae in user.AssociateEvents)
+                        {
+                            result.Add($"{ae.Utc.ToString("o")} - Address set to: {ae.NewAddress}");
+                        }
+                        foreach (var me in user.MintEvents)
+                        {
+                            result.Add($"{me.Utc.ToString("o")} - Minted {me.EthReceived} and {me.TestTokensMinted} to {me.UsedAddress}.");
+                        }
+                    }
+                }
+            }
+
+            return result.ToArray();
+        }
+
         private void SetUserAddress(ulong discordId, EthAddress? address)
         {
             var user = GetOrCreate(discordId);