Dennis Weidner
Dennis Weidner is managing director of Cryptoticker.io GmbH in Berlin and runs the editorial operation behind CryptoTicker, published since 2017 in German, English, French and Spanish. A founder and investor, he has worked with digital business models for more than twenty years. His writing focuses on the point where regulation meets what investors actually do: MiCA authorisation of trading venues, taxation and DAC8, self-custody and staking. He works from verifiable primary sources rather than price speculation — supervisory registers, vendor post-mortems, original specifications. His articles are analysis, not investment advice.
Expertise
Crypto Taxes, Bitcoin, Staking, Regulation, NFTs, DeFi
Total Articles544
September 19, 2026 1:23 AM
Hardware wallet lost: how to rescue your coins and what the tax office accepts
Your hardware wallet is gone, your coins are still on the blockchain: all that matters is whether you still have your recovery phrase. What goes wrong during a restore, and why the tax office as a rule does not recognise permanently lost access as a loss under Section 23 of the Income Tax Act.
September 19, 2026 1:14 AM
Crypto investment fraud: when the tax office taxes phantom gains and what to check now
Between September 11 and 16, 2026, BaFin published thirteen consumer notices, seven of them on crypto-assets. Anyone who has paid into such a platform risks not only the loss but, in some circumstances, a tax demand on gains that never existed.
September 18, 2026 10:24 PM
CLARITY Act Fails, the CFTC Takes Over: What the New US Crypto Rules Change for Investors in Germany
The CLARITY Act has failed in the US Senate, yet regulation moves on: the CFTC has filed two rule proposals of its own and the SEC has opened trading in tokenised stocks. What that means for Bitcoin, XRP and the rest, and what you should check as an investor in Germany.
September 18, 2026 7:26 PM
$3.5 Million Against $550,000 of Collateral: How to Check Which Tokens Your DeFi Lending Market Accepts
One manipulated price was enough to borrow 3.5 million US dollars from the Nostra Finance money market on Starknet — backed by a token worth half a million dollars. Four figures from the documentation show you whether your own lending market has the same gap.
September 18, 2026 7:12 PM
Zcash NU7 Upgrade on November 5, 2026: What You Must Do With Your ZEC
Zcash activates the NU7 network upgrade on November 5, 2026, bringing 25-second blocks and the end of v4 transactions. Anyone holding ZEC has nothing to move; action is only needed from those running their own node, indexer or block explorer.
September 18, 2026 10:13 AM
Bitcoin and the German Exit Tax: What Applies When You Move Abroad
Anyone emigrating with Bitcoin expects an exit tax on unrealised gains and finds nothing of the sort in the statute. Where the real risks sit is decided at four points: residence, the holding period, the legal form of your investment, and automatic reporting from 2026.
September 18, 2026 4:16 AM
XRP Ledger Batch Amendment: Why September 29, 2026 Is a Hard Deadline for Node Operators
A countdown has been running on the validated XRP Ledger since September 15: the BatchV1_1 batch amendment activates on September 29, 2026 at 14:06:41 UTC. For most XRP holders nothing changes, for anyone running a node of their own it is a deadline with clear consequences.
September 17, 2026 10:22 PM
Selling Bitcoin at a Loss and Buying It Straight Back: What That Does to Your Holding Period
Germany has no wash sale rule: the loss stays deductible even if you buy back immediately. The buyback, however, restarts the one-year period for every new unit.
September 17, 2026 10:12 PM
Stock Tokens: How to Check Whether Yours Carries Real Shareholder Rights
The SEC allows US trading venues to handle tokenized stocks only if the token carries the same rights as the original. That condition does not automatically apply to the stock token you buy here, so here is how to check what is inside yours.
September 17, 2026 7:12 PM
Gifting Bitcoin to Children: Allowance, Holding Period and the Tax Office Report
Transferring Bitcoin to your child hands over your holding period and your entry price along with the coins. This guide sets out what really applies in Germany on the allowance, the reporting deadline, representation and custody.
September 17, 2026 4:14 PM
D'CENT App Wallet: How to Tell If Your Recovery Phrase Has to Move Now
Manufacturer IoTrust reports suspicious asset transfers in the D'CENT app wallet and asks users to move their holdings. One question decides the matter: has your recovery phrase ever been entered into the app?
September 17, 2026 10:18 AM
Avalanche Helicon on September 22: What AVAX Delegators Must Check on Their Validator
On September 22 at 3:00 p.m. UTC the minimum lock-up in Avalanche staking falls from two weeks to 48 hours, and the required uptime rises from 80 to 90 percent. We queried the P-Chain: 37 of the 593 active validators sit below the new bar.