Spark now supports opt-in wallet privacy. When a user or transaction participant has privacy enabled, their address and associated transactions will no longer be accessible or visible through public lookups. As a result, these items may not appear in the explorer, API responses, or live data streams.

When subscribed to any channels that contain data relating to privacy enabled wallets the events will simply be skipped due to insufficient data.

import { SparkWallet } from "@buildonspark/spark-sdk";

// Create a new wallet
const { wallet, mnemonic } = await SparkWallet.initialize({
  options: { network: "REGTEST" } // or "MAINNET"
});

await wallet.setPrivacyEnabled(true);

message GossipMessageUpdateWalletSetting {
    bytes owner_identity_public_key = 1;
    optional bool private_enabled = 2;
}

Wallet Privacy Notice

Allow sorting the user & latest transaction list based on 

Alongside changing the sorting method we also added changing the direction.

API - User & latest transaction sorting

Sparkscan now uses icons sourced from the 

To support this feature we have added a new endpoint to BTKN.

https://btknlist.org/api/image/{address or identifier}

And in the event that none of the list include an icon for token the API will return a 404.

To submit a new token list you can follow 

 or contact an existing list owner (e.g. 

BTKN List based token icons

Sparkscan now provides rich image previews of

This is available on most platforms like Slack, X (Twitter), and Discord just to name a few.

Link previews

Added the option to set custom private labels for individual addresses to aid in identifying parties in transactions.

The feature is only available to logged in users.

Private address labels

Adds a checkmark to known and trustworthy tokens.

To inquire about verifying your token please email 

Sparkscan changelog

Wallet Privacy Notice

API - User & latest transaction sorting

BTKN List based token icons

Link previews

Private address labels

Verified tokens