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Managing Your Bitcoin in Practice: Custody, Inheritance and Taxes in Spain
Managing Your Bitcoin in Practice: Custody, Inheritance and Taxes in Spain
Practical guides for holding Bitcoin in the real world: where to keep custody, what fails without a succession plan, and what tax obligations you have in Spain.
Bitcoin as a Retirement Plan: What the Public System Can't Promise You
Spain's reduction coefficients already penalize early retirement, demographics are squeezing the system long-term, and self-custodied Bitcoin offers an alternative with no third party able to change the rules -- with its own counterweight of responsibility.
Bitcoin Taxes in Spain: What to Declare and When
What's taxable when you sell or swap Bitcoin in Spain, what Modelo 721 actually requires, and what an automated tool can -- and cannot -- estimate for you.
How to Leave Your Bitcoin as Inheritance Without Putting Your Seed in a Will
What goes wrong without succession planning for Bitcoin, which technical options exist (redundancy, multisig, timelock), and what should -- and shouldn't -- go in your will.
Bitcoin Custody in Spain: Self-Custody, Exchange, or Institutional, Compared Without Hype
An honest comparison of the three ways to hold Bitcoin in Spain: who controls the key, what happens if the provider fails, and what regulation requires -- without recommending any brand.
Free Glassnode Alternative: What We Give Away, What We Don't Have, and When Paying Is Worth It
How the NodeWitness Bitcoin Cycle Score Works
How the NodeWitness Bitcoin Cycle Score Works
Which indicators make up the Bitcoin cycle Score, where each data point comes from, how they combine, what we withhold and why, and how to verify it works.
NUPL in Bitcoin: What Unrealized Profit Measures and How to Read Its Zones
What NUPL (Net Unrealized Profit/Loss) is, how it's calculated from realized cap, what its capitulation and euphoria zones mean, and what limits it has.
Where the NodeWitness Score Has Failed
An honest historical reconstruction: when the distribution signal hasn't worked, and which major cycle bottoms and tops the Score didn't see coming -- with the real numbers, unpolished.
Version History of the NodeWitness Score
The Score's change history, with dates: what launched, what was withheld and why, what's been evaluated to improve it, and what's been adopted -- so no future change goes unrecorded.
What Is DCA in Bitcoin and How Is It Different from Score DCA
A simple explanation of DCA (buying little by little), its advantages and limits, and what Score DCA is -- the variant that adjusts contributions based on the cycle phase.
Bitcoin HODL Waves: What They Are and How to Read Them
What HODL waves are, how they're calculated from the UTXO set with our own node, how to interpret them across the cycle, and what limits they have as an indicator.
Bitcoin Fear & Greed Index: What It Is and How to Interpret It
What the fear and greed index measures, what it's made of, why NodeWitness uses it as a contrarian signal in the Score, and its limits.
What the Puell Multiple Is and Its Relationship to Market Bottoms
What the Puell Multiple is, how it relates Bitcoin miner profitability to market tops and bottoms, and what its red and green zones mean.
MVRV in Bitcoin: What It Measures and How to Read Its Cycle Zones
What the MVRV ratio is, how realized value is calculated, how to read its bottom and euphoria zones, and why its thresholds shift between cycles.