
The Long Tail: SSF, Verkle Trees, EOF, and Ethereum's Endgame
Pectra and Fusaka were the warm-up. Single-slot finality, Verkle trees, and EOF are the long-tail upgrades that define Ethereum in 2030.
Deep dives into the 50+ chains Zelcore supports.
Each guide covers what the coin does, how its chain works, how to hold it in Zelcore, and what quirks to watch out for — fees, address formats, memo fields, staking rules.

Pectra and Fusaka were the warm-up. Single-slot finality, Verkle trees, and EOF are the long-tail upgrades that define Ethereum in 2030.

Glamsterdam enshrines proposer-builder separation and adds Block-Level Access Lists in H1 2026. Here is what changes for MEV, validators, and gas.

How PeerDAS turned Ethereum's data layer into a sampled network and pushed L2 fees below a cent in Q1 2026. Part 2 of Ethereum After Pectra.

Pectra (May 2025) and Fusaka (Dec 2025) reshaped Ethereum into a DA layer for rollups. Where ETH the asset and ETH the network actually stand in 2026.

A practical 2026 decision guide for picking and using a Bitcoin L2 with self-custody discipline, peg-risk checks, and clear exit planning anchored to native BTC.

Babylon keeps your BTC self-custodial and slashable. Rootstock locks it in a federation and gives you EVM. Two opposite philosophies for putting Bitcoin to work.

Part 3 of our Bitcoin L2 series: how Stacks Nakamoto and sBTC deliver BTC programmability today via a 15-signer threshold federation, not zero-trust cryptography.

How BitVM2 unlocked optimistic verification on Bitcoin without a soft fork, and what Citrea, Alpen, and Bitlayer actually ship in 2026.

Why Bitcoin's L1 stays small on purpose, and how the L2 trust spectrum from WBTC to BitVM rollups finally made trust-minimised BTCFi real in 2024-2026.

Zcash and Monero in 2026: two privacy designs, the 2024 delisting wave, and how to hold ZEC and XMR in Zelcore — with honest capability limits.

Bitcoin Cash in 2026: 32 MB blocks, ASERT difficulty, CashTokens since 2023, the scheduled May 2026 Layla upgrade, and how to hold BCH in Zelcore.

Dogecoin in 2026: Scrypt PoW, AuxPoW merge-mining with Litecoin, 10,000 DOGE tail emission, ~3.4% inflation, Grayscale ETF, and DOGE in Zelcore self-custody.

Litecoin in 2026: Scrypt proof-of-work, 2.5-minute blocks, 84M supply cap, optional MWEB privacy, and what LTC actually looks like in Zelcore self-custody.

Capstone of the Solana Deep Dive: what the outage history teaches a holder, how Zelcore handles SOL and SPL tokens, ATA rent, priority fees, and staking.

Solana has ~1,414 validators, a Nakamoto coefficient of 19, and ~95% of stake on Agave-lineage code. Here is what Firedancer changes — and what it doesn't.

How Solana fees really work: a flat 5,000-lamport base fee, a priority-fee auction in micro-lamports per CU, and the Jito MEV bundle market.

Proof of History and Tower BFT explained: how Solana uses a SHA-256 VDF and doubling vote lockouts to hit 400ms slots and ~13s rooted finality.

Why Solana bet on one high-throughput Layer 1 instead of rollups, and how eight coordinated innovations built the monolithic blockchain camp.

Capstone of the Ethereum Deep Dive: one 0x address for everything, reading EIP-1559 fees, auditing approvals, L2 choice, and Pectra plus Fusaka in practice.

How Ethereum rollups actually work: optimistic vs ZK, the 7-day challenge window, EIP-4844 blobs, L2Beat Stages, the sequencer problem, and how to pick an L2.

How Ethereum validators earn, get slashed, and exit the queue — plus solo vs SaaS vs stETH/rETH, and where EigenLayer restaking stacks extra slashable risk.

How Ethereum gas fees actually work in 2026: the EIP-1559 base-fee auction, priority-fee tips, and the independent blob market born at Dencun and scaled by Pectra.

Ethereum replaces Bitcoin's UTXO purse with a giant table of accounts and a gas-metered stack machine. Here is how the state, the opcodes, and an ERC-20 transfer actually work.

How ETH's supply went from a 2014 presale to a proof-of-stake asset whose net issuance oscillates near zero — and what that actually means for holders.

A practical, advanced guide to storing Bitcoin in Zelcore: BIP-84 addresses, UTXO hygiene, fee tiers, Lightning split, and a risk checklist that ties the whole series together.

Bitcoin's halving cuts the block subsidy every 210,000 blocks, enforcing a hard 21 million cap. Here is the schedule, the math, and why it matters.

Bitcoin has no account balances. It tracks unspent outputs (UTXOs) like coins in a purse. Here is how the model works, why it exists, and what it means for you.

How Bitcoin transaction fees work: weight units, the SegWit witness discount, address types, mempool dynamics, RBF, CPFP, and why fees spike.

How Lightning turns Bitcoin into a payment network: 2-of-2 channels, HTLC routing, liquidity, Taproot channels, splicing, LSPs, and honest trade-offs.

Why Bitcoin's ~900 EH/s hashrate makes 51% attacks economically irrational, what smaller chains like BTG, ETC, and BSV teach us, and how to pick a safe confirmation depth.