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Foundations: Tokens

What is a Payment Stablecoin?A payment stablecoin tries to make blockchain money behave like cash: easy to transfer, easy to price, and redeemable at a fixed value

What is a Payment Stablecoin?A payment stablecoin tries to make blockchain money behave like cash: easy to transfer, easy to price, and redeemable at a fixed value. That sounds simple, but the hard part is not moving the token on-chain — it is preserving confidence that one token really is worth one unit of fiat when many holders want out at once.Mar 22, 202621 min read

What Is ERC-3643?ERC-3643 matters because it changes a basic assumption of crypto tokens: not every wallet is allowed to hold or receive them

What Is ERC-3643?ERC-3643 matters because it changes a basic assumption of crypto tokens: not every wallet is allowed to hold or receive them. It keeps ERC-20 compatibility, but wraps transfers in identity and compliance checks so regulated assets can move on public blockchains without becoming fully permissionless.Mar 22, 202621 min read

What is a Utility Token?Utility tokens are supposed to be simple: a token you use to access a product, service, or network function

What is a Utility Token?Utility tokens are supposed to be simple: a token you use to access a product, service, or network function. In practice, that idea becomes slippery as soon as the token is tradable, marketed for appreciation, or tied to a platform that is not yet fully built.Mar 21, 202625 min read

What Are NFTs?NFTs matter because they let blockchains represent *specific* digital items rather than interchangeable balances

What Are NFTs?NFTs matter because they let blockchains represent *specific* digital items rather than interchangeable balances. The hard part is not the picture or the buzzword, but the ownership model: how a network names a unique asset, transfers it safely, and gives wallets and marketplaces a common way to understand it.Mar 21, 202622 min read

What is Token Vesting?Token vesting is the mechanism that turns a token allocation into a time-based promise instead of an immediate balance

What is Token Vesting?Token vesting is the mechanism that turns a token allocation into a time-based promise instead of an immediate balance. It matters because who can sell, transfer, or claim tokens today changes governance, incentives, and circulating supply in ways that often matter more than the headline token supply.Mar 21, 202625 min read

What is a Token?Tokens are how blockchains represent value beyond a chain’s native coin

What is a Token?Tokens are how blockchains represent value beyond a chain’s native coin. Once you see a token as a shared ledger rule for tracking claims, rights, or units of account, standards like ERC-20, ERC-721, and ERC-1155 stop looking like jargon and start looking like interoperability machinery.Mar 21, 202624 min read

What Is an Algorithmic Stablecoin?Algorithmic stablecoins are an attempt to do something deceptively hard: keep a digital asset near a fixed price without simply holding matching dollars in reserve

What Is an Algorithmic Stablecoin?Algorithmic stablecoins are an attempt to do something deceptively hard: keep a digital asset near a fixed price without simply holding matching dollars in reserve. Their appeal is capital efficiency and onchain automation, but the same design choice creates distinctive fragility when confidence breaks.Mar 21, 202623 min read

What Is a Stablecoin? How Stablecoins Work, Keep a Peg, and BreakStablecoins try to do something unusual: keep the portability and programmability of crypto while removing most of the price volatility

What Is a Stablecoin? How Stablecoins Work, Keep a Peg, and BreakStablecoins try to do something unusual: keep the portability and programmability of crypto while removing most of the price volatility. That simple goal hides very different mechanisms — some depend on redeemable reserves, some on overcollateralized loans, and some fail precisely because stability is harder than it looks.Mar 21, 202623 min read

What is a Soulbound Token?Soulbound tokens try to use blockchains for something ordinary tokens are bad at: representing facts about a person or account that should not be sold away

What is a Soulbound Token?Soulbound tokens try to use blockchains for something ordinary tokens are bad at: representing facts about a person or account that should not be sold away. The idea is simple, but making \"non-transferable\" credentials actually work raises deep questions about identity, privacy, recovery, and what wallets really prove.Mar 21, 202623 min read

What Is SPL Token?SPL Token is the basic asset machinery behind most tokens on Solana, but it does not work like a token contract on Ethereum

What Is SPL Token?SPL Token is the basic asset machinery behind most tokens on Solana, but it does not work like a token contract on Ethereum. The key idea is simple: the token logic lives in a shared on-chain program, while each token is defined by accounts that store mint state and balances.Mar 21, 202627 min read

What Are NFT Royalties?NFT royalties try to do something unusual in digital markets: keep paying creators after the first sale

What Are NFT Royalties?NFT royalties try to do something unusual in digital markets: keep paying creators after the first sale. The interesting part is not the idea itself, but why it is so hard to make that idea reliable on blockchains built around token transfers rather than native notions of “sale.”Mar 21, 202623 min read

How to Revoke Token Approvals SafelyToken approvals are useful because they let dapps move assets for you, but that convenience persists until you remove it on-chain

How to Revoke Token Approvals SafelyToken approvals are useful because they let dapps move assets for you, but that convenience persists until you remove it on-chain. Revoking old approvals is one of the simplest ways to reduce wallet risk, especially for unlimited ERC-20 allowances and NFT operator permissions you no longer use.Mar 20, 202611 min read