All-Time-High
BTC Dominanz
24h Hoch
24h Tief
Marktkapital.
24h Volumen

Bitcoin ATH Countdown

ATH:

Fear & Greed Index

Quelle: alternative.me · täglich aktualisiert

Bitcoin Market Overview – Current Status

Abstand vom ATH
ATH: $99.655 · Dez 2024
Fear & Greed
Nächstes Halving
~März 2028 · Block 1.050.000
Zyklus-Phase
Based on Rainbow Chart
⚠️ Kein Investitionsrat · Automatisch aus Live-Daten berechnet ·

Bitcoin Chart

Bitcoin / EUR 🇪🇺

Weitere Kryptowährungen

Diese Kryptowährungen werden am häufigsten zusammen mit Bitcoin gehandelt. Klicken Sie auf ETH um zum Ethereum-Modus zu wechseln.

Bitcoin Mining & Halving

Bereits gemined
19.860.000 BTC
Verbleibend
1.140.000 BTC

Bitcoin Calculator

Satoshi Calculator

Portfolio Calculator

DCA Calculator – Bitcoin Savings Plan

DCA (Dollar-Cost Averaging) means: regularly buying a fixed amount — regardless of price. Someone who invested $100/month since 2020 would have multiplied their stake many times over. The calculator shows actual historical performance for various start years since 2015.

⚠️ Historische Renditen sind keine Garantie für zukünftige Ergebnisse · Kein Investitionsrat · Kryptowährungen sind hochvolatil

Network & Fees

🐢
Niedrig
Mittel
🚀
Schnell

Bitcoin Halving Countdown 2028

The Bitcoin Halving cuts the mining reward in half every ~4 years — hard-coded, immutable. The 5th Halving comes ~March 2028: reward drops from 3.125 to 1.5625 BTC. After the halvings of 2012, 2016, 2020 and 2024, Bitcoin reached new all-time highs within 12–18 months.

Nächstes Halving: ~März 2028 · Block 1.050.000
Tage
Stunden
Minuten
Sekunden
⛏️ blocks remaining 🎁 Reward drops from 3,125 → 1,5625 BTC

Bitcoin Kaufkraft – Historischer Vergleich

Bekannte Bitcoin-Meilensteine

Bitcoin vs. Inflation – Ländervergleich

Bitcoin-Performance vs. offizielle Inflationsrate der letzten 12 Monate
Quellen: Weltbank / Trading Economics · Bitcoin: CoinGecko

Bitcoin Rainbow Chart

Logarithmisches Regressionsmodell — zeigt in welcher Phase des Zyklus sich Bitcoin befindet. Kein Investitionsrat.

On-Chain Metriken

Bitcoin Steuern 2025 – Ländervergleich

⚠️ Nur allgemeine Information — kein Rechtsrat. Bitte immer einen Steuerberater konsultieren.

Lightning Network

Portfolio Tracker

Enter purchase prices — current value is calculated live and saved locally.
💾 Wird automatisch im Browser gespeichert (localStorage) — nur auf diesem Gerät sichtbar.
⚠️ Not investment advice · No guarantee · Prices may be delayed

Buying Bitcoin in 2025 – The Complete Guide

Buying Bitcoin is legal, safe and easier than ever. Here is everything you need to know — from choosing an exchange to secure storage.

⚖️ Legal Status

Bitcoin is completely legal. Financial regulators oversee crypto exchanges. To buy, you need a verified account (KYC — ID + selfie). The purchase itself takes 10 minutes after verification.

💸 Bank Transfer (recommended)

All major exchanges accept bank transfers — usually free. Arrival: 0–2 business days. Credit card purchases are faster but cost 1.5–3% extra. For regular DCA purchases, savings plans (Bitpanda, Kraken, Coinbase) are ideal.

🏦 Recommended Exchanges

Bitpanda (EU-licensed) · Kraken (very low fees, pro interface) · Coinbase (beginner-friendly) · Bison (regulated). All four accept bank transfers and are regulated in the EU.

🔐 Secure Storage

For amounts over $1,000 we recommend a hardware wallet (Ledger Nano, Trezor) — one-time cost ~$60–150, but your coins stay under your control. Remember: "Not your keys, not your coins." Store your seed phrase (12–24 words) offline on paper or metal.

💡 Step-by-Step: Your First Bitcoin Purchase
  1. Choose an exchange (e.g. Kraken, Bitpanda or Coinbase)
  2. Register and verify your email
  3. Complete KYC (ID + selfie — takes 5–30 minutes)
  4. Deposit funds (only what you can afford to lose)
  5. Buy Bitcoin — ideally as a savings plan (DCA)
  6. For larger amounts: transfer to your own wallet
⚠️ Not financial advice · Do your own research · Cryptocurrencies are highly volatile

Bitcoin Exchange Comparison 2025 – Fees & Security

All listed exchanges are regulated and legally available internationally. For beginners we recommend exchanges with bank transfer deposits and English support. Fees and spreads may change — always check before buying.

Fees, limits, security and features of the most important crypto exchanges 2025 compared.
⚠️ All information without guarantee · Not financial advice · Fees may change

What-If Simulator

⚠️ Purely hypothetical calculation · Not investment advice · Future prices are unpredictable

Bitcoin Glossary

Heute in Bitcoin – Historischer Rückblick

Bitcoin Clock – Live Blockchain

Current Block
Since last block
Target: ~10 min

Bitcoin for Beginners – Step by Step

Buying Bitcoin is easier than ever in 2025 — but there are a few things beginners absolutely need to know. This guide explains the safe way to get started, from choosing an exchange to setting up your own wallet, without jargon.

Fear & Greed – 30-Tage-Verlauf

Source: alternative.me

Bitcoin Savings Goal Calculator

Farcaster – Bitcoin Casts

Latest Bitcoin casts from the Farcaster network
Mehr auf Farcaster →

X / Bitcoin – Top Posts

Latest Bitcoin posts from X/Twitter
Mehr auf X →

Farcaster – Ethereum Casts

Latest Ethereum casts from the Farcaster network
Mehr Ethereum auf Farcaster →

X / Ethereum – Top Posts

Top Ethereum-Posts von X/Twitter
Mehr Ethereum auf X →

⚡ Bitcoin vs. Gold vs. S&P500

Jahresperformance im Vergleich
Quellen: CoinGecko, Bloomberg, Macrotrends · Kein Investitionsrat

Whale Watcher – Large Bitcoin Movements

Large Bitcoin transactions in real time (≥100 BTC)
Live via blockchain.info ·

💰 Mining Profitability Calculator

⚠️ Estimated values based on current network data · Difficulty and price fluctuate daily · Not investment advice

Mempool Heatmap – Best Time to Send

Average transaction fees by hour (UTC) — green = cheap, red = expensive
Mon–Sun (rows) · 00:00–23:00 UTC (columns)
Cheap
Expensive
Historical averages · Source: mempool.space

🗺️ Bitcoin Nodes – World Map

Decentralization of the Bitcoin network worldwide
Source: bitnodes.io · Luke Dashjr Node Counter

Bitcoin Price Timeline – Historical Events

Click an event to see the Bitcoin price at that time

Bitcoin Social Sentiment

Aggregiert aus X/Twitter, Farcaster, Reddit · Aktualisiert stündlich

Bitcoin Price in all 30 Currencies

Ethereum Gas Tracker

Current ETH transaction fees in Gwei · Source: Etherscan
🐢
Slow (~5 min)
Standard (~1 min)
🚀
Fast (~15 sec)
Gwei = 0.000000001 ETH · Kosten für Standard-Transfer (~21.000 Gas)

Ethereum Staking Calculator

💧
Liquid Staking
~3.5%
Kein Minimum · Lido, Rocket Pool
🏛️
Solo Staking
~3.5%
32 ETH Minimum · Volle Kontrolle
🏦
Pooled Staking
~3.2%
From 0.01 ETH · Exchanges
DVT Staking
~3.6%
Obol, SSV Network

ETH Burns – EIP-1559

Seit EIP-1559 (Aug 2021) werden Transaktionsgebühren automatisch verbrannt — deflationary!
EIP-1559 führte den Base Fee Mechanismus ein: ein Teil jeder Transaktionsgebühr wird unwiederbringlich verbrannt statt an Miner zu gehen. Das macht ETH bei hoher Netzwerknutzung deflationär.

🏦 DeFi – Total Value Locked

Top Ethereum DeFi Protokolle nach gesperrtem Kapital
Gesamt ETH DeFi TVL
~$48B
ETH DeFi Dominanz
~57%
Protokolle
500+
Quelle: DeFiLlama · Aktualisiert täglich

🚀 Ethereum Upgrade Timeline

🔗 Layer 2 Ökosystem

Ethereum Layer 2 Netzwerke skalieren ETH auf Tausende Transaktionen pro Sekunde
Quelle: L2Beat · TVL in USD

Bitcoin News

Bitcoin Event-Kalender

Was ist Bitcoin?

About bitcoinkurs.org – Methodology & Data Sources

📊 Price Data

Primary source: CoinGecko API — one of the largest crypto data providers, aggregating data from 600+ exchanges. Fallback: Binance. Update interval: every minute. If both APIs fail, demo data is shown with a visible notice.

⛽ Additional Data Sources

Mempool.space – Bitcoin network fees & block data · Alternative.me – Fear & Greed Index (daily) · Etherscan – Ethereum gas prices · Blockchain.info – Whale transactions

🔒 Privacy & Tracking

bitcoinkurs.org uses no advertising cookies, no Google Analytics, no tracking. Portfolio data is stored exclusively in your browser’s localStorage — it never leaves your device. Hosting: Vercel. The only third-party connections are the data APIs listed above.

✍️ Editorial Team

bitcoinkurs.org is operated and maintained by the bitcoinkurs.org Editorial Team. Bitcoin enthusiasts since 2012, with a background in mining and Bitcoin NFTs (Ordinals). Running bitcoinkurs.org since 2026. All content is regularly reviewed for accuracy. Questions or feedback: contact@bitcoinkurs.org

Disclaimer: All price data and content on bitcoinkurs.org is for general informational purposes only. It does not constitute financial or investment advice. Cryptocurrencies are highly volatile — total loss of invested capital is possible. Please consult an independent financial or tax advisor.

FAQ