SecurityTrezor
Trezor Clear Signing: what your hardware wallet now shows before you sign
Instead of a hash, the device now shows the real action, tokens, amounts and addresses of supported smart contract transactions. Which Trezor models get it and where it stops.
Altcoins & DeFiCoinbase
Coinbase study: 73 per cent of stablecoin transfers happen while US banks are closed
More than 400 million dollars an hour, most of it while US banks are closed: what a study for Coinbase found about stablecoins, and how to read the figures.
BasicsBitcoin explained simply, from 2008 to 21 million
Bitcoin has run since 3 January 2009, writes a block every 10 minutes and ends at just under 21 million units. The figures, and who sets them.
BitcoinBitcoin halving explained: 210,000 blocks and 4 dates
Every 210,000 blocks the reward halves. Since 20 April 2024 it has been 3.125 BTC per block, 450 a day. Why the next date can only be estimated.
BasicsBuying bitcoin in Germany: the first steps
Licensed providers, identification under German law, order types, costs and custody. And why the holding period of 1 year counts from the first purchase.
BitcoinBitcoin volatility: why the price swings so widely
Bitcoin lost around 75 per cent in 2022. What volatility measures, which falls are documented, and what wide swings mean for investors.
BasicsHow a blockchain works: hash, block and 6 confirmations
A blockchain links blocks through hash values. Why 6 confirmations are enough, why the difficulty is reset every 2,016 blocks, and what 51 per cent means.
Altcoins & DeFiEthereum versus Bitcoin: the 10 main differences
Ethereum moved to proof of stake on 15 September 2022, Bitcoin still mines. Consensus, supply, block time and gas side by side.
SecurityHardware wallet or software wallet: the difference
Where the private key sits, what the 12 to 24 words under BIP 39 mean and which 3 routes of custody exist, with the requirements of the German BSI.
InvestingCrypto share of a portfolio: criteria, not a percentage
No formula says how much crypto belongs in a portfolio: the criteria, measured correlations and the 5 per cent rule of thumb of a German consumer advice centre.
SecuritySpotting crypto scams: methods, red flags, protection
6 methods from the fake trading platform to the recovery fee, the red flags behind them, the steps to take on suspicion, and figures from the FBI and the BKA.
InvestingCrypto savings plan: what it can do and what it cannot
In a model calculation by the Bank for International Settlements buying 100 US dollars a month, over four fifths were at a loss by December 2022.
Tax & LawCrypto tax in Germany: holding period and exemption limit
German rules only: one year holding period, a 1,000 euro exemption limit since 2024 and 256 euro for staking, under sections 23 and 22 of the Income Tax Act.
Tax & LawMiCA explained: what really changes for investors
Regulation (EU) 2023/1114: EU wide authorisation since 30 December 2024, a German transition period to 31 December 2025, white papers, 14 days to withdraw.
Altcoins & DeFiStablecoins explained: how safe is the promise?
Stablecoins are meant to stay worth 1 euro or 1 dollar. What MiCA has required since 30 June 2024, why TerraUSD failed in 2022, which risks remain.
Altcoins & DeFiStaking explained: yield, risks and tax in Germany
Staking ties up crypto-assets in return for block rewards. Which figures are documented, what slashing costs and why tax in Germany starts at 256 euro.