Bitcoin investment strategy in 2026: complete guide

Investing in Bitcoin is not speculating on yet another crypto. It is taking a position on a scarce asset (21 million×21 millionMaximum number of bitcoins that will ever exist, hard-coded in the protocol. This programmed scarcity is a founding feature. The last sat will be mined around the year 2140.See in the lexicon → units), neutral (no issuer, no privilege), portable (a seed phrase×Seed phraseSequence of 12 or 24 words (usually in English) that encodes your master key. Universal wallet backup : with these words, you can restore your funds on any compatible software.See in the lexicon → is enough) and liquid (a 24/7 global market). This singularity justifies treating investment strategies differently from those for gold, equities or real estate.

Four investor profiles coexist : the cautious novice wanting limited and spread-out exposure, the patrimonial allocating 1 to 5 % of a diversified portfolio, the high-conviction one going past 20 %, and the trader playing cycles. Each profile maps to different vehicles (direct self-custody×Self-custodyModel in which you hold your own private keys. Your bitcoins depend on no third party. This is Bitcoin's founding promise.See in the lexicon → buy, spot ETF, derivatives), different entry methods (DCA×DCA (Dollar Cost Averaging)Buying a small fixed amount at regular intervals (for example 100 EUR a week), regardless of price. Smooths the average purchase cost and neutralises timing bias.See in the lexicon →, lump-sum, cyclical accumulation), and different exit thresholds.

This guide opens the Invest topic : why Bitcoin is a distinct asset, comparison of available vehicles (direct buy, ETF, Swiss ETN×ETN (Exchange Traded Note)European / Swiss equivalent of an ETF. Structured note backed by physical bitcoin. Several ETNs have been listed in Switzerland since 2018.See in the lexicon →), historical drawdowns (-83 % in 2018, -77 % in 2022), the 5 classic beginner mistakes. Eight articles then drill into DCA, lump-sum×Lump-sumInvesting all available capital at once rather than spreading it out. Mathematically better on average historically on Bitcoin, but psychologically harder to bear.See in the lexicon →, ETF, cycles, gold allocation, psychology, exits and strategic reserves.

Why Bitcoin is a singular investment asset

Bitcoin is not a stock, not a bond, not a classic commodity, not a fiat×Fiat (fiat currency)State currency with legal tender status (euro, Swiss franc, dollar), issued by a central bank and not backed by a physical asset. By contrast, Bitcoin has an issuance capped at 21 million units, with no central issuer.See in the lexicon → currency. Five features fundamentally distinguish it from all other investment assets accessible to an individual in 2026.

• Programmed scarcity at 21 million×21 millionMaximum number of bitcoins that will ever exist, hard-coded in the protocol. This programmed scarcity is a founding feature. The last sat will be mined around the year 2140.See in the lexicon → units. Hardcoded in the protocol source since block 0 in January 2009, not modifiable. Issuance decreases mechanically every 4 years (halving×HalvingScheduled event every 210,000 blocks (roughly every 4 years) that cuts the miner reward in half. This mechanism makes Bitcoin issuance decline towards the total cap of 21 million.See in the lexicon →) until ~2140 when the last sat will be mined. Compare to fiat currencies whose money supply grows 2-8 % a year, or gold whose annual supply grows 1.5-2 %. This scarcity is the fundamental property justifying the long-term investment thesis.
• Total portability. A Bitcoiner×BitcoinerPerson interested in Bitcoin, who holds some and adheres more or less to its values (individual sovereignty, sound money, decentralisation).See in the lexicon → can cross a border with their entire wealth in a memorised 12-word seed phrase×Seed phraseSequence of 12 or 24 words (usually in English) that encodes your master key. Universal wallet backup : with these words, you can restore your funds on any compatible software.See in the lexicon →. No other asset offers this portability (gold weighs and clears customs, real estate does not move, stocks are tied to jurisdictional brokerage accounts). Particularly relevant for wealth exposed to political or exchange×ExchangeService that lets you buy, sell and swap cryptocurrencies against fiat money. Examples : Kraken, Coinbase, Bitstamp, Bitvavo. Most are custodial.See in the lexicon → risks.
• Censorship resistance. When your bitcoins are in self-custody×Self-custodyModel in which you hold your own private keys. Your bitcoins depend on no third party. This is Bitcoin's founding promise.See in the lexicon → (cf. Store Bitcoin topic), no state, no bank, no institution can freeze, seize or block them without physical access to your seed. This property, mundane for physical gold, is unique among digital assets. Consequence: Bitcoin serves as reserve money in hyperinflation or exchange-control countries (Argentina, Turkey, Lebanon, Nigeria).
• 4-year cycles tied to halving. Every ~4 years (2012, 2016, 2020, 2024, 2028), new BTC issuance is divided by 2. This structural event has historically triggered a 12-18 month post-halving bull market×Bear market, bull marketProlonged falling market (bear) or rising market (bull). Bitcoin cycles have historically alternated between the two around halvings, with 70 to 85 percent drops in bear markets.See in the lexicon →, followed by a 12-24 month bear market×Bear market, bull marketProlonged falling market (bear) or rising market (bull). Bitcoin cycles have historically alternated between the two around halvings, with 70 to 85 percent drops in bear markets.See in the lexicon →, then 12 months of accumulation. Pattern not guaranteed but recurring since 2012. Cf. Halving and cycles article.
• Low correlation with traditional stocks. Over 2020-2025, the Bitcoin / S&P 500 correlation coefficient swings between 0.2 and 0.5 depending on the period. Low (below 0.7 considered strong correlation) but not zero. 2026 particularity: correlation temporarily rises in macro-crisis (March 2020, May 2022) then declines. Bitcoin is not a perfect diversifier but remains a better one than most sector stocks or bonds.

These 5 combined properties make Bitcoin singular. Quick comparison:

• vs gold: same scarcity logic, but Bitcoin wins in portability, divisibility (100M sats), audit (public chain), loses in monetary history (5000 years vs 17 years).
• vs tech stocks: no cash flows, no corporate governance, no risk of corrupt management; but also no organic company growth, just an adoption effect.
• vs bonds: no coupon, no passive yield (except via lending with counterparty risk), but also no sovereign issuer default risk.
• vs real estate: no easily accessible leverage, no rental yield, but instant 24/7 liquidity and no management constraint.

The 3 major Bitcoin investment approaches

Every Bitcoin investor falls into one of three major categories. Success statistics differ radically between them.

• Long-term HODL×HODLHolding bitcoins without selling, despite the volatility. The word comes from a typo, « I AM HODLING », posted on a forum in 2013 that turned into a joke and then a mantra.See in the lexicon → (4-10+ years). Buy Bitcoin, store in cold storage×Cold storageStoring bitcoins on an offline wallet that is not connected to the Internet. Maximum security for amounts you are not spending.See in the lexicon → (cf. Store topic), do not sell for a full cycle or several cycles. Origin of the term: a 2013 Bitcointalk post "I AM HODLING" by a drunk user who meant to write "holding". Now the dominant philosophy. Advantages: zero daily stress, optimal taxation in several jurisdictions (CH, DE after 1 year, FR with long term), captures the full long-term protocol growth. Real stat: ~70 % of 4+ year HODLers are in profit, and ~90 % over 5+ years (computed on UTXO×UTXO (Unspent Transaction Output)« Chunk » of bitcoin received and not yet spent. A wallet does not have a single balance, it has a collection of UTXOs whose sum makes up the balance.See in the lexicon → blocks unmoved over those periods).
• Regular DCA×DCA (Dollar Cost Averaging)Buying a small fixed amount at regular intervals (for example 100 EUR a week), regardless of price. Smooths the average purchase cost and neutralises timing bias.See in the lexicon → (Dollar Cost Averaging). Buy a fixed amount at regular intervals (weekly or monthly), without trying to time the market. Advantage: smooths the entry price, avoids "right moment" anxiety, automatable via Strike, Bitwise, Bitcoin Reserve, Relai (Switzerland). Stat: a 50 EUR/week DCA since January 2021 (5 years in May 2026) has invested 13,000 EUR cumulative and is worth ~32,000 EUR at 2026 rate, an annualised return of ~20 %. Cf. DCA Bitcoin article.
• Active trading. Market timing attempt: buy low, sell high, swing trades, day trades, sometimes with leverage on crypto exchanges. Extreme difficulty on a volatile 24/7 market dominated by algorithmic bots and professional market makers. Stat: ~95 % of retail crypto traders lose money over 12 months (Binance 2023 study, confirmed by Bitstamp 2025). Strongly discouraged for most investors, except exceptional skill and discipline.

Three useful observations to absorb.

• HODL + DCA combination is the dominant 2026 strategy. Buy regularly (DCA) to avoid timing mistakes, and hold long-term (HODL) to capture cycles. The philosophy of most institutional Bitcoiners (MicroStrategy×MicroStrategy (Strategy)US company led by Michael Saylor, which has made bitcoin its main treasury asset since 2020. More than 400,000 BTC accumulated by 2025.See in the lexicon →) as well as retail (the ~250 million worldwide Bitcoin users).
• Active trading traps even the best. Crypto-specialised hedge funds that collapsed in 2022 (Three Arrows Capital, Alameda Research) had Stanford/MIT quants teams and still went bust. The retail investor who thinks they can beat the Bitcoin market must have realistic humility.
• Taxation influences strategy choice. In Germany, > 1 year HODL is exempt from capital gains tax (individuals), creating strong HODL incentive. In France, Flat Tax 30 % applies to any disposal, reducing the active trading advantage. In Switzerland, no capital gain×Capital gain, capital lossGain (or loss) realised when disposing of an asset: the difference between sale price and acquisition cost. Tax treatment varies by country; losses can often be offset against gains of the same year.See in the lexicon → tax for individuals but cantonal wealth tax. Cf. fiscality topic (sprint 6 upcoming).

3 Bitcoin access vehicles in 2026

Investing in Bitcoin is not synonymous with "owning Bitcoin". Three very different vehicles give access to BTC price exposure, with radically different trade-offs.

Three typical use cases to guide the choice.

• Convinced Bitcoiner×BitcoinerPerson interested in Bitcoin, who holds some and adheres more or less to its values (individual sovereignty, sound money, decentralisation).See in the lexicon → profile, mid to high wealth: self-custody dominant. Buy via DCA on Strike or Relai, withdraw to self-custody on hardware wallet×Hardware walletSmall dedicated device (Ledger, Trezor, Coldcard, BitBox, etc.) that keeps the private key away from a potentially compromised computer. Signs transactions inside the device itself.See in the lexicon → (Ledger×Ledger, Trezor, Coldcard, BitBoxMain hardware wallet brands. Ledger Nano S Plus / X (French, the best-seller), Trezor Model T (Czech, open source), Coldcard Mk4 (Canadian, ultra-secure, Bitcoin-only), BitBox02 (Swiss, open source).See in the lexicon →, Trezor×Ledger, Trezor, Coldcard, BitBoxMain hardware wallet brands. Ledger Nano S Plus / X (French, the best-seller), Trezor Model T (Czech, open source), Coldcard Mk4 (Canadian, ultra-secure, Bitcoin-only), BitBox02 (Swiss, open source).See in the lexicon →, Coldcard×Ledger, Trezor, Coldcard, BitBoxMain hardware wallet brands. Ledger Nano S Plus / X (French, the best-seller), Trezor Model T (Czech, open source), Coldcard Mk4 (Canadian, ultra-secure, Bitcoin-only), BitBox02 (Swiss, open source).See in the lexicon →, BitBox×Ledger, Trezor, Coldcard, BitBoxMain hardware wallet brands. Ledger Nano S Plus / X (French, the best-seller), Trezor Model T (Czech, open source), Coldcard Mk4 (Canadian, ultra-secure, Bitcoin-only), BitBox02 (Swiss, open source).See in the lexicon →). Advantage: true ownership, zero fees, maximum sovereignty. Drawback: total seed responsibility.
• Traditional saver profile wanting diversifying exposure: spot ETF dominant. Buy IBIT or FBTC via usual broker×BrokerIntermediary that sells bitcoins to an end customer at a fixed price, with no visible order book. Coinhouse, Bull Bitcoin and Pocket Bitcoin are brokers.See in the lexicon →, integrate Bitcoin like any pocket ETF. Advantage: zero technical effort, familiar taxation. Drawback: no true Bitcoin ownership, exposed to BlackRock and its depositary (Coinbase Custody for IBIT in 2026).
• Sovereign Swiss profile with CH bank account: ETN + self-custody combination. One slice in 21Shares ETN from the Swiss bank account (integrates standard tax declaration), one slice in self-custody for long-term wealth portion. Classic Swiss compromise between banking compliance and Bitcoin sovereignty.

Important note: spot ETFs do not distribute dividends (Bitcoin has none) and are not PEA-eligible in France. All performance is realised as capital gain×Capital gain, capital lossGain (or loss) realised when disposing of an asset: the difference between sale price and acquisition cost. Tax treatment varies by country; losses can often be offset against gains of the same year.See in the lexicon → on disposal. Long holding of spot ETFs is therefore tax-equivalent to long holding of direct BTC, modulo annual management fees (0.12 to 0.25 %).

Bitcoin asset allocation: 4 profiles

"How much of my wealth in Bitcoin?" is the first concrete question after the decision to invest. No universal answer. The table below presents 4 typical profiles observed in 2026, crossing Bitcoin conviction and risk tolerance.

Four principles for picking allocation.

• Supportable drawdown is the limiting criterion. If you know you would panic seeing your wealth drop 30 % in 3 months, do not go beyond the balanced profile (10 %). The worst time to discover real risk tolerance is in a bear market with too-high allocation.
• Investment horizon determines risk capacity. A 30-year-old with 30-year horizon can bear high volatility because there is time to traverse several cycles. A 70-year-old retiree needing capital in 5 years must stay prudent. Empirical rule: max allocation = (horizon in years) × 1.5 %, capped at 25 % unless very strong conviction.
• The snowball effect is not managed by allocation, but by rebalancing×RebalancingRebalancing your portfolio by selling part of what has risen and buying what has fallen, to return to a target allocation.See in the lexicon →. If Bitcoin rises strongly, the Bitcoin allocation mechanically rises. A 90 % stocks / 10 % BTC wealth in 2022 may have become 70 / 30 in 2026. Choice: (1) let run if the target stays aligned, (2) rebalance by selling part to return to 10 %, (3) accept the new 30 % target as reflecting conviction. Cf. Exit strategy article.
• No good advice says "X % for everyone". The portraits below illustrate observed profiles, not universal recommendations. Adapt to your personal situation, tax jurisdiction, global wealth, family, professional constraints.

Four illustrative portraits of 2026 Bitcoin investors.

• Maria, 35, salaried, Paris. Wealth 80,000 EUR (stocks + savings). DCA 100 EUR/week on Strike since 2019. Current allocation: ~4 % of wealth. Strategy: DCA continued indefinitely, monthly self-custody withdrawal to BitBox×Ledger, Trezor, Coldcard, BitBoxMain hardware wallet brands. Ledger Nano S Plus / X (French, the best-seller), Trezor Model T (Czech, open source), Coldcard Mk4 (Canadian, ultra-secure, Bitcoin-only), BitBox02 (Swiss, open source).See in the lexicon →. No sale planned before retirement (30 years).
• Thomas, 50, tech entrepreneur, Zurich. Wealth 1.5 M CHF (business + real estate + portfolio). Lump-sum×Lump-sumInvesting all available capital at once rather than spreading it out. Mathematically better on average historically on Bitcoin, but psychologically harder to bear.See in the lexicon → 300,000 CHF in June 2022 (bear bottom). Current allocation: ~22 % of wealth. Strategy: half IBIT ETF via Swissquote, half self-custody 2-of-3 multisig with business partner and notary.
• Sophie, 28, freelance, Berlin. Wealth 25,000 EUR. Beginner in 2025, DCA 50 EUR/month via Bitcoin Reserve. Current allocation: ~2.5 % of wealth. Strategy: test DCA for 12 months, raise to 100 EUR/month if confident, keep in Strike custody×CustodyThe custody of funds. See self-custody and custodial in the dedicated section below.See in the lexicon → then migrate to Phoenix mobile self-custody beyond 5,000 EUR.
• Pierre, 62, retired physician, Lugano×Lugano (Plan ₿)Swiss city that launched a Bitcoin adoption programme in 2022 (tax payments, shops, events). The annual Plan B Forum has become a European fixture.See in the lexicon →. Wealth 800,000 CHF (real estate + stocks + bonds). Bitcoin allocation 3 % via 21Shares ETN×ETN (Exchange Traded Note)European / Swiss equivalent of an ETF. Structured note backed by physical bitcoin. Several ETNs have been listed in Switzerland since 2018.See in the lexicon → since 2023, integrated into UBS bank portfolio for standard cantonal tax declaration. No self-custody (simplicity). Goal: modest exposure for diversification, no active strategy.

Psychological handling of volatility

The most underestimated aspect of Bitcoin investing is not technical, it is psychological. Bitcoin has experienced documented extreme drawdowns: -80 % in 2018 (from 20,000 USD to 3,200 USD between Dec. 2017 and Dec. 2018), -75 % in 2022 (from 68,000 USD to 16,000 USD between Nov. 2021 and Nov. 2022). And probably more similar drops in upcoming cycles. Holding mentally through such a drawdown×DrawdownDecline from a previous peak. Bitcoin has gone through several drawdowns of more than 75 percent in its history. To factor into your psychological planning.See in the lexicon → is harder than most imagine before living through one.

Four recurring cognitive biases that make beginner Bitcoiners lose.

• Anchoring on purchase price. You bought at 50,000 EUR. Price is at 40,000 EUR. You stay stuck on "I lost 10,000 EUR" and refuse to act until back to 50,000. But that 50,000 has no objective meaning, it is just your arbitrary entry point. Price could very well stay under 50,000 for 2 years. Defence: think in allocation percentage, not in gain/loss versus purchase price.
• FOMO×FOMO (Fear Of Missing Out)Fear of missing the rally, which pushes people to buy at the worst moment, near the tops. DCA is the classic antidote.See in the lexicon → (Fear Of Missing Out) at the top. Bull market×Bear market, bull marketProlonged falling market (bear) or rising market (bull). Bitcoin cycles have historically alternated between the two around halvings, with 70 to 85 percent drops in bear markets.See in the lexicon → drags on, price exceeds previous highs, media talks Bitcoin everywhere. You buy out of fear of "missing it". Statistically, these FOMO buys happen in the last 10 % of the bull market and are followed by a 60-80 % drawdown the next 12-18 months. Defence: hold a disciplined DCA×DCA (Dollar Cost Averaging)Buying a small fixed amount at regular intervals (for example 100 EUR a week), regardless of price. Smooths the average purchase cost and neutralises timing bias.See in the lexicon → whatever the media context.
• Bottom capitulation×CapitulationFinal phase of a bear market where the last sellers give in to panic, often on record volume. Frequently marks the cycle bottom.See in the lexicon →. Bear market×Bear market, bull marketProlonged falling market (bear) or rising market (bull). Bitcoin cycles have historically alternated between the two around halvings, with 70 to 85 percent drops in bear markets.See in the lexicon → lasts 12 months, price down 70 %, media talks Bitcoin's end ("Bitcoin obituaries": ~470 press articles since 2010 have declared Bitcoin dead). You sell out of despair, just before the rebound. Recurring pattern. Defence: if you invested an amount you accept to lose, the drawdown should not force you to sell.
• Decisional hyperactivity. Check price 20 times a day, move positions weekly, read too much Twitter/X, stop sleeping. Excess attention damages long-term investment decisions. Defence: schedule one check per week or month, disable price notifications, remove price apps from phone.

Three practices recommended by experienced Bitcoiners.

• "Do not invest what you cannot afford to lose". Universal rule. If a total loss of Bitcoin capital would force you to postpone a real-estate purchase, an entrepreneurial project, your retirement, you have invested too much. Right dosage lets you sleep even at -80 % drawdown.
• Have a written thesis before investing. Why you buy (programmed scarcity? diversification? inflation hedge? long-term conviction?), at what horizon (5, 10, 30 years?), with what sell criteria (never? rebalancing×RebalancingRebalancing your portfolio by selling part of what has risen and buying what has fallen, to return to a target allocation.See in the lexicon →? price target?). This written thesis reminds you why you held when the market makes you doubt.
• Reduce noise. No anxiety-inducing YouTube channels, no looping crypto Twitter/X, no Telegram signal groups. The majority of the "crypto community" is in fact marketing and short-term trading. For the long-term HODLer, silence beats a thousand analyses.

Famous anecdote: Hal Finney, first recipient of a Bitcoin transaction from Satoshi×Satoshi (sat)The smallest unit of bitcoin. 1 BTC = 100 million satoshis. Named after the creator. In 2026, talking in sats becomes common as the price of one BTC rises.See in the lexicon → in January 2009, HODL×HODLHolding bitcoins without selling, despite the volatility. The word comes from a typo, « I AM HODLING », posted on a forum in 2013 that turned into a joke and then a mantra.See in the lexicon → his bitcoins until his death in 2014 without ever selling despite the 2011 and 2013 volatility cycles. His son inherited those BTC and still holds them as of the last public information. Model of HODL patience.

Market events to anticipate and typical mistakes

Bitcoin has a history structured by recurring events that an informed investor can incorporate into reasoning, without taking them as certainty.

The 4-year cycle×4-year cycleTheory that Bitcoin follows a 4-year cycle anchored on halvings : bull market in the 18 months following a halving, then a sharp correction.See in the lexicon → rhythm, tied to halving×HalvingScheduled event every 210,000 blocks (roughly every 4 years) that cuts the miner reward in half. This mechanism makes Bitcoin issuance decline towards the total cap of 21 million.See in the lexicon →.

• Halving: every ~4 years, miners' block reward is halved. Historical events: Nov. 2012 (50 → 25 BTC), July 2016 (25 → 12.5), May 2020 (12.5 → 6.25), Apr. 2024 (6.25 → 3.125), next estimated Mar. 2028 (3.125 → 1.5625). Cf. Halving and cycles article.
• Post-halving bull market×Bear market, bull marketProlonged falling market (bear) or rising market (bull). Bitcoin cycles have historically alternated between the two around halvings, with 70 to 85 percent drops in bear markets.See in the lexicon →: usually starts 6-12 months post-halving, lasts 12-18 months. Reaches peak 18-24 months post-halving. Pattern observed in 2013, 2017, 2021. For 2024: peak expected mid-2025 to late 2025 per analysts.
• Bear market×Bear market, bull marketProlonged falling market (bear) or rising market (bull). Bitcoin cycles have historically alternated between the two around halvings, with 70 to 85 percent drops in bear markets.See in the lexicon →: immediately follows the peak, lasts 12-24 months. Typical drawdown×DrawdownDecline from a previous peak. Bitcoin has gone through several drawdowns of more than 75 percent in its history. To factor into your psychological planning.See in the lexicon → -70 to -85 % from previous peak.
• Accumulation phase: 12 months before next halving. Stabilised low price, weak volume, media depression.

Pattern not guaranteed for upcoming cycles: as Bitcoin matures, the halving effect on supply becomes relative (new BTC issued = a smaller and smaller percentage of total existing stock). But the market psychological pattern (bull/bear/accumulation) remains likely to recur independently of halving.

Five typical 2026 beginner mistakes.

• Buying at bull market top out of FOMO×FOMO (Fear Of Missing Out)Fear of missing the rally, which pushes people to buy at the worst moment, near the tops. DCA is the classic antidote.See in the lexicon →. Seen in 2017 (20k buys that became 3k), in 2021 (60k buys that became 16k). Always painful, never fatal if you accept to wait 4-5 years.
• Selling at bear bottom out of capitulation×CapitulationFinal phase of a bear market where the last sellers give in to panic, often on record volume. Frequently marks the cycle bottom.See in the lexicon →. Seen in 2018 (sales at 3k whose BTC are worth 100k+ in 2026), in 2022 (sales at 16k whose BTC are worth 100k+ in 2026). The worst time to sell.
• Using leverage. Bitcoin has historical volatility of ~70 % annualised. A 3x leverage on long-only is enough to liquidate within days of ordinary drawdown. Crypto exchanges offering leverage (BitMEX, Binance Futures×Futures (futures contracts)Standardised contracts to buy or sell BTC at a future date. Basis of the first ETFs (2021); contango (futures price above spot) erodes their performance compared with spot ETFs.See in the lexicon →) have massive liquidations every cycle. Strongly discouraged for non-professional traders.
• Confusing Bitcoin and altcoins. 95 % of altcoins (Ethereum, Cardano, Solana, Polkadot, and a fortiori the thousands of minor tokens) have lost more than 90 % of their BTC value over 4 years. Bitcoin is singular by its absolute scarcity and stable consensus. Altcoins are very risky tech bets unrelated to Bitcoin.
• Keeping bitcoins on centralised exchange×ExchangeService that lets you buy, sell and swap cryptocurrencies against fiat money. Examples : Kraken, Coinbase, Bitstamp, Bitvavo. Most are custodial.See in the lexicon →. FTX×FTXCentralised exchange that collapsed spectacularly in November 2022. Sam Bankman-Fried was convicted. Dragged Blockfolio and many funds down with it.See in the lexicon → went bankrupt in November 2022 with 8 billion USD of client funds gone. Mt. Gox×Mt. GoxFormer Japanese exchange that lost 850,000 BTC in 2014. Textbook case of custodial risk. Partial creditor compensation has been under way since 2024.See in the lexicon → in 2014, QuadrigaCX in 2019, Celsius in 2022, BlockFi in 2023. Golden rule: "not your keys×Not your keys, not your coinsMantra. If you do not hold the private keys to your bitcoins, you do not truly own them. Echoes of FTX, Mt. Gox, Celsius, and others.See in the lexicon →, not your coins×Not your keys, not your coinsMantra. If you do not hold the private keys to your bitcoins, you do not truly own them. Echoes of FTX, Mt. Gox, Celsius, and others.See in the lexicon →". Above 5,000 EUR on exchange, switch to self-custody×Self-custodyModel in which you hold your own private keys. Your bitcoins depend on no third party. This is Bitcoin's founding promise.See in the lexicon → (cf. Store topic).

2026 macro note: spot ETFs have reduced some risks but created others. Advantage: custody×CustodyThe custody of funds. See self-custody and custodial in the dedicated section below.See in the lexicon → by BlackRock×BlackRockWorld's largest asset manager. Launched its Bitcoin spot ETF IBIT in January 2024, which accumulated more than 500,000 BTC in 2 years.See in the lexicon →/Fidelity/regulated depositaries like Coinbase Custody, less FTX-style bankruptcy risk. Drawback: custody concentration at few depositaries (Coinbase Custody holds ~70 % of US spot ETFs in 2026), exposure to sovereign state political decisions that could freeze ETFs. Self-custody remains the most sovereign solution for long-term wealth.