Start here
Four ideas worth understanding first.
A short reading path for the actions that carry the most consequence: permission, execution, movement between networks and wallet analysis.
Approach
Learn the system, not the button.
Hexncoin Learn is organized around decisions. Each guide explains what changes on-chain, what evidence matters, and which number deserves your attention before an interface asks for a signature.
Explore by field
Five ways into the on-chain world.
Browse by the system you are trying to understand. The archive stays compact so the page reads like a publication, not a wall of cards.
Wallets & safety
Permissions, wallet activity and the checks that matter before signing.
- Start here•5 min
Analyze a Solana Wallet
A practical checklist for reading balances, token holdings and transaction activity without confusing a snapshot for the full story.
- Start here•5 min
ERC-20 Approvals, Explained
Understand what a token allowance permits, why unlimited approvals increase exposure and what to check before approving or revoking one.
- Start here•4 min
Revoke an ERC-20 Approval
A short process for finding a live allowance, confirming the spender and sending the revoke transaction from your own wallet.
- Intermediate•4 min
Unlimited vs. Exact Token Approvals
Compare the convenience of reusable allowances with the smaller exposure of approvals limited to a specific trade amount.
Trading
Liquidity, routes and execution mechanics without the trading-floor fog.
- Start here•5 min
Read DEX Liquidity Before You Swap
Use liquidity, depth and price impact to judge whether a pool can absorb the trade size you actually want to place.
- Start here•4 min
Slippage Tolerance, Explained
What slippage tolerance controls, why very tight settings can fail and why very loose settings can produce worse execution.
- Intermediate•5 min
How Swap Routing Finds a Better Path
Why an aggregator may use several pools or intermediate assets instead of sending the entire trade through one obvious pair.
Networks & bridging
How networks differ and what changes when value crosses between them.
- Start here•5 min
Base: What It Is and How Bridging Works
Understand Base as an Ethereum layer 2, why the same wallet address can exist on both networks and what a bridge changes.
- Start here•4 min
Base Gas Fees, Explained
Why transactions on Base are usually cheaper than Ethereum mainnet and which costs can still change from one transaction to the next.
- Start here•5 min
Cross-Chain Bridging, Explained
What a bridge actually coordinates between networks, what to verify in a quote and why destination certainty matters.
- Intermediate•4 min
Bridge Fees vs. Slippage
Separate network and protocol fees from execution slippage so you can compare cross-chain quotes on the number that matters: what arrives.
NFTs & ownership
Asset identity, metadata and provenance beyond the image.
- Start here•4 min
Inspect Solana NFTs Safely
Use a public wallet address to inspect collectibles, then verify collection identity and provenance before trusting what an image or label claims.
- Intermediate•5 min
NFT Metadata and Mint Addresses
Understand the difference between the on-chain asset identifier and the metadata used to display its image, attributes and collection information.
Perpetuals
Funding, open interest and liquidation risk in leveraged markets.
- Start here•5 min
Perpetual Funding Rates, Explained
Understand who pays funding, why the rate changes and why it is context for a perpetual market rather than a directional forecast.
- Start here•4 min
Open Interest vs. Volume
Two measures that look similar on a dashboard but answer different questions: how much traded and how much exposure remains open.
- Intermediate•5 min
Perpetual Liquidation Price
What moves liquidation closer or farther from entry and why leverage, margin mode and maintenance requirements all matter.