https://bitcoin21st.de/en/ Valid, fact-based information about Bitcoin. en https://bitcoin21st.de/en/wissenswertes/bitcoin-quotes/ https://bitcoin21st.de/en/wissenswertes/bitcoin-quotes/ Wed, 16 Sep 2026 00:00:00 +0000 Good to Know Warren Buffett called Bitcoin "rat poison squared." Satoshi Nakamoto vanished after laying the groundwork for what is now a trilliondollar asset class. And one… https://bitcoin21st.de/en/halten-sichern/storing-bitcoin-securely/ https://bitcoin21st.de/en/halten-sichern/storing-bitcoin-securely/ Fri, 11 Sep 2026 00:00:00 +0000 Hold & Secure Buying Bitcoin itself is fairly straightforward today. The harder question is: how do you store your Bitcoin over many years so that it is neither stolen nor… https://bitcoin21st.de/en/wissenswertes/bitcoin-deep-dive-understanding-the-code/ https://bitcoin21st.de/en/wissenswertes/bitcoin-deep-dive-understanding-the-code/ Thu, 10 Sep 2026 00:00:00 +0000 Good to Know "Don't trust, verify" is one of the most quoted phrases in the Bitcoin world, but what does it actually mean in practice? The honest answer: it means that… https://bitcoin21st.de/en/bitcoin-lexicon/bitcoin-the-best-store-of-value-in-history/ https://bitcoin21st.de/en/bitcoin-lexicon/bitcoin-the-best-store-of-value-in-history/ Mon, 06 Jan 2025 00:00:00 +0000 Bitcoin Lexicon This article expands on a central point from our article Properties of a Good Store of Value A good store of value should have several important properties in… https://bitcoin21st.de/en/information/bitcoin21st-de-communication-strategy/ https://bitcoin21st.de/en/information/bitcoin21st-de-communication-strategy/ Sat, 11 Nov 2023 00:00:00 +0000 Information How do you stay informed about Bitcoin and expand your knowledge of Bitcoin? We would like to outline our communication strategy here so that you know which… https://bitcoin21st.de/en/buy_sell-bitcoin/financial-freedom-bitcoin/ https://bitcoin21st.de/en/buy_sell-bitcoin/financial-freedom-bitcoin/ Tue, 07 Nov 2023 00:00:00 +0000 Buy & Sell Definition of financial freedom What financial freedom means for each individual, depends on their individual goals and vision. In principle, we mean the… https://bitcoin21st.de/en/hold_secure-bitcoin/ftx-insolvency/ https://bitcoin21st.de/en/hold_secure-bitcoin/ftx-insolvency/ Mon, 30 Oct 2023 00:00:00 +0000 Hold & Secure Definition of FTX Exchange FTX Exchange was a cryptocurrency exchange founded by Sam BankmanFried and Gary Wang in 2017 and quickly grew to become one of the… https://bitcoin21st.de/en/buy_sell-bitcoin/bitcoin-investment-strategy/ https://bitcoin21st.de/en/buy_sell-bitcoin/bitcoin-investment-strategy/ Thu, 28 Sep 2023 00:00:00 +0000 Buy & Sell Investment Strategy (Amount, Regularity, Liquidity) Before making a purchase decision, it is advisable to consider how much capital you want to exchange into… https://bitcoin21st.de/en/hold_secure-bitcoin/hardware-wallet_en/ https://bitcoin21st.de/en/hold_secure-bitcoin/hardware-wallet_en/ Thu, 14 Sep 2023 00:00:00 +0000 Hold & Secure Definition of Terms Ownership of Bitcoin is proven through a private key. The private key is a secret cryptographic string that corresponds to the Bitcoin… https://bitcoin21st.de/en/threats-to-bitcoin/51-attacks/ https://bitcoin21st.de/en/threats-to-bitcoin/51-attacks/ Wed, 13 Sep 2023 00:00:00 +0000 Threats Definition of a 51% Attack A 51% attack refers to a potential security threat to the Bitcoin network. In this type of attack, a single validator (miner) or a… https://bitcoin21st.de/en/frequently-asked-questions/bitcoin-solution/ https://bitcoin21st.de/en/frequently-asked-questions/bitcoin-solution/ Wed, 13 Sep 2023 00:00:00 +0000 FAQ To truly understand the added value Bitcoin can bring to society, it is first advisable to look at the current problems prevailing in today's society. Problem…