crypto
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Today’s foundation is the relationship between voltage, current, resistance, and power. These four quantities show up constantly when troubleshooting power supplies, motors, control circuits, semiconductor equipment, and data-center hardware. Voltage (V) is electrical potential difference. Think of voltage as the electrical force available to move charge between two points. A standard U.S. receptacle should measure…
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FortiOS, the operating system used across FortiGate firewall appliances, is built on a heavily modified Linux kernel. This means the underlying operating system shares important architectural roots with Linux, including concepts related to networking, processes, interfaces, system resources, logging, and kernel-level traffic handling. Fortinet then builds its own proprietary networking, security, management, and firewall technologies…
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Power Efficiency Theory examines the relationship between computational growth, energy efficiency, and market valuation. Using the Power Efficiency Index (PEI), two independent calculations measure Bitcoin’s technological progress between March 21, 2025, and September 21, 2026. One evaluates total network hashrate, while the other measures advances in leading Bitcoin mining hardware. Both calculations provide efficiency-adjusted valuation…
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Washington D.C. – August 3, 2026 – In a move that has sent ripples through the crypto derivatives market, the U.S. Securities and Exchange Commission has formally paused its approval of Nasdaq’s proposal to list cash-settled Bitcoin index options under the ticker QBTC. The decision, announced late last week, effectively freezes what would have been a…
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Kerberos is a cross-platform network authentication protocol used to verify the identities of users, computers, applications, and services across a network. Originally developed at the Massachusetts Institute of Technology, Kerberos uses secret-key cryptography and encrypted tickets instead of repeatedly transmitting a user’s password. Kerberos Version 5 is an open internet standard, allowing compatible systems from…
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Bitcoin valuation models often begin with the same problem and arrive at very different answers. PlanB, known online as @100trillionUSD, introduced the Bitcoin Stock-to-Flow model in 2019 as a way to quantify scarcity and relate Bitcoin’s programmed supply schedule to market value. The Power Efficiency Index, developed by BitcoinVersus.tech, approaches valuation from the physical side…
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The Power Efficiency Index (PEI) is a mathematical valuation model within Power Efficiency Theory that compares changes in computational performance and energy efficiency with the market price of a proof-of-work asset. Developed by bitcoinversus.tech, PEI measures the growth in a network’s rate of compute alongside improvements in the energy required per unit of computation. In…
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Physical price is the lowest observed market price of a proof-of-work digital asset during a defined measurement period, typically a calendar year, and is used in Power Efficiency Index (PEI) analysis as the market’s closest observable expression of a network’s underlying digital-physical value at that time. Rather than representing the total replacement cost of mining…
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The Power Efficiency Index (PEI) is a proof-of-work measurement derived from Power Efficiency Theory. The theory states that the physical value of a proof-of-work network is influenced by two measurable variables: the rate of compute produced by the network and the rate of energy efficiency required to produce that computation. When network compute increases while…
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The Power Efficiency Index (PEI) is designed specifically for proof-of-work cryptocurrencies because proof of work produces a measurable physical relationship between computation and energy. Bitcoin, Litecoin, Zcash and other mineable networks require machines to perform continuous cryptographic work. That gives PEI two physical variables it can track over time: network computational power and the energy…
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Dogecoin’s 2022–2026 Power Efficiency Index (PEI) shows a large gap between DOGE’s market price and the physical progression of the Scrypt mining infrastructure that helps secure the network. Using Dogecoin’s 2022 market low of roughly $0.0528 as the physical baseline, PEI measures how network computation and mining-machine energy efficiency have changed over time. Dogecoin is…
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Zcash has experienced a sharp separation between its Power Efficiency Index (PEI) and its actual market price in 2026. Using Zcash’s 2022 physical low of $33.83 as the baseline, the PEI applies the network’s compounded power-efficiency progression to estimate how its “digital-physical” value has changed over time. From 2022 through 2026, Zcash recorded approximately 3.52×…
