KaChat

Secure messaging on Kaspa BlockDAG

Saved Accounts

KaChat

-- KAS

No Conversations Yet

Start a new conversation with an encrypted communication request.

No Group Chats Yet

Create an encrypted group and add contacts you have already exchanged a handshake with.

Select a conversation

Choose a chat from the list, or start a new encrypted conversation.

Not synced yet

0 selected

The recipient won't see your messages until they message you or you ping them with a handshake. Handshakes cost 0.2 KAS and are returned to you if they accept. You lose privacy if you ping them.

Pending photo attachment

0:00 Recording voice message…

Replying to

Fund your chatting address to start chatting

You are no longer a member of this group.

0:00 Recording voice message…

Replying to

Pending photo attachment

Apps

Explore the Kaspa ecosystem. Links open in your browser.

KKaspa.org ▶Kaspa Stream ⛓Kaspa Explorer 🗺KasMap ▶KasShi 📰Kaspa News 🎮KasPlay 🛒KasMart 📺KasMedia 📊Kaspalytics ⚒️Kas-Smiths 🔬Kaspa Core R&D

Broadcasts

Public, unencrypted rooms on the Kaspa network. Anyone who joins the same channel sees the same messages.

Join or Create a Channel

Anyone who joins the same channel name can see and post messages there. There is no owner or invite.

#channel

All messages are public and are stored for 30 days.

0:00 Recording voice message…

KaPosts

Post

Replying to

Panel

New Post

Account

Account

About

Created—

Version—

Websitelinktr.ee/Kachat_ Support Emailkaspasilver@gmail.com

What's new in 4.0

Settings

Customization

Appearance

Language

Currency

Customize Dock

Chats Always shown

Profile Always shown

Portfolio

Cold Storage

Swap

KaPosts

Broadcasts

Apps

Swap, KaPosts and Broadcasts are hidden while Child Mode is on — an adult can bring them back in Settings > Security > Child Mode.

Security

Password for Seed PhraseRequire your password to reveal the seed phrase or private key.

Password for Account LoginRequire your password when signing in to a saved account.

Save account on this deviceEncrypted key storage arrives in the next security phase.

Keep me signed inRestore the active account when KaChat opens.

Child Mode

Connection

Connection Settings

Indexer URL KaPost Indexer URL Broadcast Indexer URL Push Indexer URL KNS API URL Kaspa REST API URL Trusted Node

Leave a field blank to use its default. Trusted Node empty = auto-search over wRPC.

IP Address Book

Label (optional) Node Address

Save your own node addresses here, then use one to fill the Trusted Node field above.

Kaspa Explorer

Chats

Chats Payment PrivacyPayments in your chats travel between fresh private addresses instead of your public chatting address. Stored per account.

Show Fee EstimateShow an estimated transaction cost before sending.

Require approval for photos from new contacts

On: you receive payments on fresh private addresses shared with each contact, and payments you send are funded from your private addresses. Off: you receive on your public chatting address and send from it. Either way, payments you send arrive on a fresh address whenever the recipient shares one.

Notifications

Chats

Message NotificationsDesktop notification when a contact messages you and the chat isn't focused.

Play sound

Per-contact notification overrides live in each chat's info screen.

Wallet

Address Activity

Notify when any of your spending or cold storage addresses receives Kaspa from an external source. Transfers between your own addresses are ignored.

KaPosts

Likes

Reposts

Follows

Dislikes

Comments

Choose which KaPosts activity sends a notification. Quotes of your posts count as reposts.

Contacts

A browser has no device address book, so KaChat reads your Nextcloud contacts instead. Connect a server in Settings → Storage → Nextcloud, then sync: any contact card that includes a Kaspa address is added here. Read-only, run on demand; nothing is written back to your server.

Storage

Store encrypted messages locallyRequired for browser history and future cross-device backup.

Local storage usedCalculating…

Message retention

Nextcloud

Chat History

Diagnostics

Danger Zone

Engineering diagnostics

Manual controls remain here for troubleshooting. Normal startup is automatic.

Core

Runtime & Identity

Phase 5A

App RuntimeStarting Rusty Kaspa…

Wallet IdentityRestoring browser wallet…

Connection

Kaspa Network

Starting

Primary RPCWaiting for wallet

Warm StandbyWaiting for primary RPC

◎

Node PoolPreparing persistent endpoint history

↯

Last Successful NodeNone recorded yet

◌

Connection HistoryNo connection attempts recorded

Messaging

Kasia Services

Starting

Kasia CipherLoading encryption runtime…

Sync & SubscriptionsStarting live wallet subscription…

Local Data

Storage & Recovery

Active

▣

Browser StorageWallet, contacts and messages persisted locally

◇

Recovery LayerVerified wallet record and message-history backup

Starting KaChat services…

Notifications

Node Connection

Status

Status Starting…

Connected NodeNot connected

Backup NodeNot connected Ready

Latency --

Last Sync --

Node Selection

Automatic KaChat picks a healthy public node and keeps a warm backup ready. If your node stops responding, it switches to a good one right away.

Custom Node Your own Kaspa wRPC endpoint. On the same router/LAN as your node: use its local IP with port 17110 — e.g. ws://192.168.1.50:17110. From outside your network through a TLS reverse proxy: wss://your-domain (no port).

Actions

Recent Auto-Reconnects

0

Logged each time KaChat automatically moved you to a healthier node.

Create Chat

ADDRESS

Kaspa Address or KNS Domain

Enter a Kaspa address (kaspa:...) or KNS domain name (e.g., alice.kas)

NAME (OPTIONAL)

New account

Create Account

Important

You will be shown a seed phrase. This is the only way to recover your account. Write it down and store it securely.

Seed Phrase Length

24 wordsRecommended 12 wordsStandard

Account Name

Write Down Your Seed Phrase

Store this in a safe place. Anyone with these words can access your account.

I have written down my seed phrase and stored it securely

Add a Passphrase

A passphrase is an optional extra secret only you know. It's combined with your seed phrase to unlock a completely separate, hidden account.

Even if someone finds your written seed phrase, they can't reach this account without the passphrase.

Passphrase Confirm Passphrase

If you forget your passphrase, this account is permanently lost. Your seed phrase alone will NOT recover it.
There is no way to reset or recover a passphrase. Store it as carefully as your seed phrase.

Existing account

Import Account

Different wallets store your Kaspa on different address paths. Pick where this seed phrase comes from so KaChat finds your funds and domains.

Account Name Recovery Phrase

The phrase must be a valid 12- or 24-word Kaspa recovery phrase. Invalid words, checksum, or length will be rejected.

Add a Passphrase

A passphrase is an optional extra secret only you know. It's combined with your seed phrase to unlock a completely separate, hidden account.

Even if someone finds your written seed phrase, they can't reach this account without the passphrase.

Passphrase

Enter the exact passphrase you used when this account was created.

If you forget your passphrase, this account is permanently lost. Your seed phrase alone will NOT recover it.
There is no way to reset or recover a passphrase. Store it as carefully as your seed phrase.
A different passphrase silently opens a different, empty account — it won't show an error.

Kasia payload

Import Message Payload

Payload hex or protocol string

This decodes a Kasia-shaped payload through the engine and adds it as an incoming local message for the active chat.

Message

Export Raw Data

CSV downloads immediately. PDF opens the browser print dialog so you can save it as a PDF.

LOCAL CHAT

Delete selected messages?

These messages will be hidden from this browser only. They cannot be removed from Kaspa.

Chats

Photo Quality

Controls how much photos are compressed before sending. Higher quality looks clearer but costs a larger fee and takes longer to send; lower quality sends faster and cheaper but looks more compressed. This only affects photos you send, not ones you receive.

Photo quality Balanced · ~15 KB

Data Saver Balanced High Best

KaPosts

Tip

Amount (KAS)

Available: --

Network fee: --

Group Chats

New Group

Add contacts to the group. You control the membership as the group admin.

Not in your contacts? Add anyone by Kaspa address or KNS domain:

Group Info

Real Kaspa transaction

Create KNS Profile

Registering a KNS domain spends real KAS (typically 2–50+ KAS depending on name length, plus a small profile-editing reserve). We recommend at least 50 KAS before starting.

Current balanceChecking…

Domain name

.kas

is yours. Add optional profile details now, or skip and add them later from your Profile screen.

Bio Website X (Twitter) Telegram Discord Email GitHub

Your KNS profile is set up. It may take a few minutes to appear everywhere.

Real Kaspa transaction

Edit KNS Profile

Each changed field is a separate on-chain write (~2 KAS commit + ~1 KAS reveal, offset by network fees).

Bio Website X (Twitter) Telegram Discord Email GitHub

Real Kaspa transaction

Confirm Message Send

This will submit a real Kaspa transaction carrying the Kasia COMM payload. Preview mode stays available in Settings.

Payment Alert

Remove Saved Account

This account and its local data will be removed from this device.

Saved account

Rename Account

Account Name

UTXO

Rename UTXO

Name

Leave blank to remove the name. Labels are stored on this device only.

-- KAS

No wallet loaded

Just send 5-10 KAS at a time, that's plenty to cover chat fees for a while (about 500 messages per KAS).

Apps

KKaspa.org ▶Kaspa Stream ⛓Kaspa Explorer 🗺KasMap ▶KasShi 📰Kaspa News 🎮KasPlay 🛒KasMart 📺KasMedia 📊Kaspalytics ⚒️Kas-Smiths 🔬Kaspa Core R&D

Help

-- KAS

Send Kaspa

Recipient

Amount (KAS)

Network Fee Normal

Spending Addresses

These addresses are derived from your recovery phrase. The same phrase restores them identically on any device. Move funds here to keep chat and spending separate. Tap an address to view its transactions.

Address Visibility

#0 - #49

Spending

Balance -- KAS

Chatting Address

Choose Your Chatting Address

If this seed already holds your identity at a different address, a KNS domain or a funded chatting balance, pick it here. Only addresses with a balance or domains are shown.

Chatting Address

This seed already has chats

Switch Chatting Address?

This seed already has conversations on the current chatting address. Switching starts fresh with the new address. Your existing conversations stay with the old address and are not deleted.

On-chain inscription

Send KNS Domain

Transfer to another Kaspa address. This inscribes an on-chain transfer (about 2 KAS committed from the owning address, most of it returned minus network fees).

Recipient

Real Kaspa transaction

Send Kaspa

Recipient

Combines all UTXOs at this address into a single one by sending the balance back to itself, to reduce the number of inputs a future send needs.

Amount (KAS)

Network Fee Normal

Spending address

Send Kaspa

Recipient

Amount (KAS)

Network Fee Normal

This is the private key for your chatting address. Anyone with it can spend from this address — never share it.

Security

Enter Password

Password Confirm Password

Chess

Waiting on opponent…

Promote pawn to:

Chat Info

Address

Aliases

Receiving alias

Sending alias

These identify this conversation's messages on the network. Receiving is the alias on messages this contact sends you. Sending is the alias on messages you send them. Useful when building tools that message this chat.

Notifications

Incoming NotificationsOn: get a desktop notification when this contact messages you. Off: mute all notifications from this contact.

Photos

Photo DisplayOn: photos from this contact appear automatically. Off: photos stay hidden until you tap to view each one.

Info

Added—

Last Message—

Chess—

0Sent

0Received

0Total

✓ Copied

Log Out

This signs out of your account, but keeps local wallet and message data on this device.