Bitcoin-Tech

Calculators

Fee Calculator Calculate trading fees and net amounts. Mining Calculator Estimate mining profitability by hashrate and power. Compound Interest See how holdings grow with compounding over time. Profit / Loss Calculator Calculate ROI and P&L for any crypto trade.

→ All Tools

Portfolio & Holdings

Portfolio Tracking Track all your crypto, physical coins & metals in one place Exchange Import Import CSV from Binance, Coinbase, Uphold & more Holdings Analysis Asset allocation breakdown across crypto, metals & physical Wallet Studio Generate deterministic wallets, import addresses and manage your saved crypto wallets Wallet Widgets Publish embeddable wallet address widgets with QR code and optional balance Physical Bitcoin Coins Casascius, Antana, Lealana & more — valued at live BTC price

Analytics & Reports

Tax Report DE / EU FIFO-based gain/loss calculation, export CSV for tax filing Live Markets Real-time prices for 5 000+ coins with watchlist support Precious Metals Live spot prices for gold, silver, platinum, palladium & copper

Supported Exchanges

CSV Import

Import your transaction history from Binance, Coinbase, Uphold, Kraken, Bitpanda and any exchange that exports a standard CSV file — no API keys required.

Log In Sign Up

Physical Bitcoin Detail

Single asset view

Serial: C038611

Series: 2013 0.5 BTC (Prefix 12)

Manufacturer: Casacius

Variant: 2013 0.5 BTC (Prefix 12)

BTC Address: 12Z31v3PtF6ceZ8WbbRnrKCchLc5e8agFR

Denomination: 0.00000000 BTC

Year: 2013

Funded: No

Notes: {`source`: "casacius.txt", `chunk`: "2013-0.5btc", `variant_slug`: "2013-0-5btc-prefix-12"}

Wallet Watchlist

Track this physical coin as a wallet

Add this public BTC address to your wallet watchlist so you can monitor balance changes and receive payments without storing any private key.

Log in to add to wallet

Sign in to add physical coins to your wallet and keep a payment-ready public address on your account.

Back to list

🍪 We use cookies to enhance your experience

We use essential cookies for functionality, and optional analytics cookies to help us improve. Learn more

Cookie Preferences

Choose which cookies we can use. You can always change your preferences later by visiting our Privacy Policy .

Necessary Cookies Required

Essential for website functionality. Cannot be disabled.

Cookies used:

XSRF-TOKEN, bitcoin_tech_session, bitcoin_tech_consent

Analytics

Help us understand how you use our website to improve it.

Cookies used:

matomo_*

Marketing

Used for advertising and tracking purposes.

Cookies used:

goog_*

Preferences

Save your preferences for future visits.

Cookies used:

lang, theme