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Privacy policy

Version of 7 October 2026. Provided by [operator legal name] trading as ACRO.

The short version

  • In the desktop app, your wallet addresses, transactions, answers and reports stay on your computer. Your computer sends your wallet addresses to the blockchain provider you choose, not to us.
  • In the online version, your wallet addresses pass through our server on their way to our blockchain provider. We don't store them.
  • What we keep: your email address, the years you bought, payment and licence records, and a count of online lookups used.
  • We don't sell personal information, we don't use advertising or analytics trackers, and we don't send marketing emails.

1. About this policy

This policy explains how [operator legal name] trading as ACRO (we, us) handles personal information in connection with ACRO: the website, the desktop app, the online version, purchases and support. Personal information is information about an identified person, or a person who is reasonably identifiable.

Small businesses with an annual turnover of A$3 million or less are generally exempt from the Privacy Act 1988 (Cth). Whether or not that exemption applies to us, we handle personal information in line with the Australian Privacy Principles and this policy.

2. Built to collect as little as possible

ACRO has no accounts and no passwords. Licence keys are checked on your own device. Your wallet history is downloaded, stored and calculated on your device. The rest of this policy describes the limited information that does reach us, or the services we use.

3. What we collect, and when

When you buy a licence or a lookup pack

Payments are made on Stripe's checkout pages. Stripe collects your payment details directly, under its own privacy policy, including information it uses to prevent fraud. From Stripe we receive your email address; any name, country or postcode you entered at checkout; the amount, currency and date; the Stripe payment reference; the financial year you bought; and limited card details (such as the card brand and last four digits) that are visible in our Stripe account. We never receive your full card number.

We then create and store:

  • a licence record: licence ID, email address, financial years, included online lookups, the licence key itself, the Stripe payment reference and the issue date;
  • an email lookup that stores a one-way hash (SHA-256) of your email address with your licence IDs, so we can resend your keys;
  • a delivery record for each payment: the payment reference, email address, licence ID, whether the key was emailed, and any refund's Stripe reference and status;
  • for packs, the number of extra online lookups added to your licence; and
  • if a payment is refunded in full or disputed, or a key is reported as shared, a note that the licence's online access was withdrawn, with the reason and date.

Your licence key contains your licence ID, email address, financial years, online allowance and issue date, digitally signed so ACRO can check it. Anyone who has your key can read these details, so keep it private.

Emails we send

We send service emails only: your licence key, key recovery, refund notices and pack confirmations. They are delivered by Resend, which processes your email address and the message, including your licence key. We don't send marketing emails. If we ever want to, we'll ask for your consent first and every message will let you unsubscribe.

When you ask us to resend a key

We use the email address you enter to find and resend your licences. To limit repeat sends, we keep a hashed form of that address for up to 10 minutes.

When you use the online version

  • Wallet addresses and blockchain requests go from your browser to our server (the relay), which forwards them to Alchemy using our account and returns the answers. We process them in memory to do that. We don't write them to our database or logs, and we don't link them to your licence, except to count how many transactions you've used.
  • Your licence key is sent with each relay request so we can check it's valid and count usage. We keep a running count of online lookups used for each licence, and a daily usage total for each licence (deleted after two days) to apply fair-use limits. Neither is linked to your wallet addresses.
  • Everything you add in the online version (wallets, history, answers, reports and licence keys) is stored in your browser's local storage (IndexedDB) on your device, not on our servers. Clearing your browser's site data deletes it.

Price lookups

By default, both the desktop app and the online version look up prices through our server. These requests contain asset identifiers only, such as token contract addresses and coin IDs. They never contain wallet addresses, amounts, transaction dates or your licence key. Our server gets the prices from CoinGecko, token names from Jupiter, and exchange rates from frankfurter.app, so those services see our server, not you.

When the desktop app talks to other services directly

In the desktop app, your blockchain requests (including your wallet addresses) go straight from your computer to Alchemy under your own account, to public blockchain endpoints, or to endpoints you enter, depending on your choice. If you switch off Fetch prices through ACRO's relay, your computer contacts CoinGecko, Jupiter and frankfurter.app directly. In each case the provider sees your IP address and the request, under its own privacy policy, and we don't receive it.

Website, server logs and security

When you visit the website or use our online services, our hosting provider, Vercel, processes technical information such as your IP address, browser type, the address requested and the time. Our own server logs record events such as errors, payment references and licence IDs. They never record wallet addresses, licence keys or card details, and our hosting provider keeps them for up to 24 hours. To prevent abuse, we keep your IP address in our database as part of rate limiting, for at most about 12 minutes. Vercel may keep its own logs for security purposes under its privacy policy.

We don't currently use a third-party error-monitoring service. If we start using one, we'll update this policy first.

When you contact us

We receive your email address, your message and anything you attach. If you send the diagnostics copied from ACRO's Settings, they contain recent error messages and your browser or app details. Please never send your seed phrase, private keys or exchange passwords; we will never ask for them.

Downloads

Installers are hosted on GitHub, which processes your IP address and download request under its own privacy policy.

Cookies and local storage

We don't use cookies for advertising or analytics, and the website has no analytics trackers. The online version stores your data in your browser's local storage, as described above. If our hosting provider's bot protection is switched on, it may set a cookie to remember that your browser passed a security check. Stripe's checkout pages use cookies under Stripe's policy.

4. What stays on your device

We never receive the wallet addresses or nicknames you enter (except in transit through the relay in the online version), your transaction history or balances, your review answers and manual records, your gains, losses, income or reports, the API keys you enter, or your backup files. These stay on your computer or in your browser, under your control.

5. How we use personal information

  • to issue, deliver and resend licence keys, and to credit lookup packs;
  • to take payments, detect duplicate purchases and process refunds;
  • to provide the online version and apply usage allowances;
  • to prevent fraud and abuse and keep our services secure;
  • to respond to support requests and complaints; and
  • to meet our legal obligations, including tax record-keeping.

We don't sell personal information, use it for advertising or profiling, or use it to make automated decisions about you.

6. Who we share it with

We share personal information only with the service providers who run parts of ACRO for us, and only what each one needs:

ProviderWhat it handlesWhyWhere
StripePayment details, email address, name and countryPayments, fraud prevention and refundsAustralia and the United States
ResendEmail address and email content, including licence keysSending service emailsUnited States
VercelIP address, request details and server logsHosting the website and server; our server code runs in SydneyUnited States, and other countries where Vercel operates
UpstashLicence, payment and usage records; IP addresses for rate limitingOur database[database region]
AlchemyOnline version only: wallet addresses and blockchain requests, sent from our serverReading the blockchainUnited States

Our server also sends asset identifiers to CoinGecko (Singapore), Jupiter and frankfurter.app to look up prices, token names and exchange rates. These requests don't contain information about you.

We may also share personal information with our professional advisers, such as an accountant or lawyer, under a duty of confidentiality; with government agencies, courts or law enforcement when the law requires or authorises it; and with a buyer of the ACRO business, who would have to handle it in line with this policy. We don't share it with anyone else.

7. Information that goes overseas

As the table shows, some of our providers store or process information in the United States and other countries. We choose providers with strong privacy and security practices and take reasonable steps to make sure they handle personal information consistently with the Australian Privacy Principles.

8. How we protect it

All connections to our website and servers use HTTPS. Our service credentials are stored encrypted with our hosting provider, our database can't be accessed without a secret token, email lookups use one-way hashes, licence keys are digitally signed, and access to our systems is limited to the people who run ACRO. Our hosting provider's automatic DDoS protection and our rate limits help keep the service available. No system is perfectly secure. If we become aware of a data breach that is likely to result in serious harm, we'll tell the people affected, and the Office of the Australian Information Commissioner (OAIC) where required, as soon as practicable.

9. How long we keep it

  • Licence, payment and refund records: while we need them to resend keys and handle refunds, and for at least five years after the purchase to meet tax record-keeping requirements. After that we delete them or remove the details that identify you.
  • Online usage counts: kept with the licence they belong to.
  • IP addresses used for rate limiting: deleted automatically, after at most about 12 minutes.
  • Server logs: up to 24 hours.
  • Support emails: up to two years after the matter is resolved.
  • Data on your device: until you delete it.

Stripe, Resend and Vercel keep information under their own retention policies.

10. Accessing, correcting or deleting your information

You can ask for a copy of the personal information we hold about you, or ask us to correct or delete it, by emailing [support email] from the address you bought with. If you can't do that, we'll verify who you are another way. We'll respond within 30 days, and there's no charge.

Some limits apply. We may need to keep records the law requires, such as tax records. If we delete your licence records, we can no longer resend your key or process refunds, although your key keeps working in the desktop app because it's checked on your computer. If we can't do what you ask, we'll explain why. We can't see or delete data stored on your own device; you can remove it in ACRO with Settings → Reset everything.

11. Complaints

If you're concerned about how we've handled your personal information, contact us at [support email]. We'll acknowledge your complaint within 5 business days and give you a response within 30 days. If you're not satisfied, you may be able to complain to the Office of the Australian Information Commissioner at oaic.gov.au or on 1300 363 992.

12. Children

ACRO isn't directed at children under 18.

13. Changes to this policy

We'll update this policy when our practices change. The version date is at the top. For material changes, we'll give notice on the website, and by email to licence holders where we reasonably can.

14. Contact

[operator legal name] trading as ACRO
[business address]
Email [support email]

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ACRO is calculation software. Neither ACRO nor its operator is a registered tax agent or BAS agent, and ACRO does not give tax advice. If you want tax advice you can rely on to meet your tax obligations, get it from a registered tax agent.

ACRO is not affiliated with or endorsed by the Australian Taxation Office.

© 2026 [operator legal name] trading as ACRO.

Prices are in Australian dollars.