Blockchain immutability isn't magic — it's cryptographic hash chaining backed by economic deterrence. Here's how the mechanism works, where the guarantee holds, and where it doesn't.

Bitcoin's 21 million cap isn't a philosophical stance — it's the output of a block subsidy schedule that halves every 210,000 blocks. Here's how the mechanism works, where the constraint actually lives, and what the long-term security budget question means.

Crypto price volatility isn't random. It has identifiable structural causes — thin liquidity, leverage cascades, narrative-driven valuation, and 24/7 markets with no circuit breakers. Here's how each mechanism actually works.

Gas fees are the price of scarce block space. Ethereum caps block size deliberately to protect decentralization — and EIP-1559 sets fees through a base fee that rises when demand exceeds supply. EIP-4844 already changed the cost structure for L2 users.

Bitcoin's energy consumption isn't accidental — it's the direct output of a proof-of-work security design where attack cost scales with honest mining cost. This post explains the mechanism, why energy is load-bearing, and what would change the picture.

Ethereum fees spike because block space is a deliberately constrained shared resource set by a dynamic auction. This post explains the EIP-1559 mechanism, why fees swing so dramatically, and what EIP-4844 and L2s have actually changed.

Bitcoin's value isn't explained by a single theory. At least four competing frameworks each capture something real — and the answer depends on which one turns out to be correct.

Delegated proof of stake and pure proof of stake both use staked tokens — but they answer different questions. One asks token holders to vote for representatives. The other asks them to run nodes directly. The gap between those two designs shapes everything about how a network actually behaves.

Proof of History and Proof of Stake aren't alternatives — Solana uses both. The real difference is whether validators communicate to agree on sequence, or whether sequence is established cryptographically before they vote.

DAO treasuries and foundations both manage protocol resources, but through fundamentally different mechanisms. One is on-chain and token-governed; the other is a legal entity with a board. Here's how they actually work and where control really lives.

Modular and monolithic blockchains aren't different architectural preferences — they're built on different theories of where a blockchain's scaling constraints should live. This post explains the four functions a blockchain performs, what it means to separate them, and where the tradeoffs actually live.

Solo staking and pooled staking are built around different theories of where validator responsibility should live — and that shapes risk, yield, and what you're contributing to the network.