We’ve compiled answers to the most common questions about 21clock.com. If you can’t find what you’re looking for, feel free to
21clock.com is a Bitcoin address monitoring platform. We allow you to track transactions in real time and receive email alerts whenever new activity occurs on your addresses.
Yes. Depending on your plan, you can monitor multiple BTC addresses and receive alerts for all of them.
Absolutely. We do not require access to your private keys. We only monitor public blockchain data related to your Bitcoin addresses. Your email and account details are protected using strong encryption.
We offer a free plan with limited address monitoring. For advanced tracking, additional features, and higher limits, you can upgrade to one of our premium plans.
No. Your addresses are stored securely and are never shared with third parties. We take data privacy seriously and only use your address data for the purpose of monitoring on your behalf.
No. Your monitored addresses are tied to your account and are not publicly visible. Only you have access to your address list and alerts.
Alerts are typically sent within seconds after the transaction appears on the Bitcoin mempool or is confirmed in a block, depending on your settings.
Yes. By default, we notify you when a transaction enters the mempool, even before it's confirmed. You can adjust this in your settings.
Yes. You can choose to be notified on incoming, outgoing, or both types of transactions, and set thresholds for the minimum amount.
You'll receive a warning and can either remove some addresses or upgrade your plan to continue monitoring without interruption.
Yes. You can cancel your premium subscription at any time. Your account will revert to the free plan at the end of the billing cycle.