Topic
ArweaveBeginnerYou pay once into an endowment sized for about 200 years of storage, betting on falling disk costs, and mining requires holding data. Prices move with AR, most uploads go through bundlers, and nothing can be deleted.
#basics#privacy#storage
HederaIntermediateHashgraph has no block producer. Nodes gossip events that record who heard what, then compute the order and median timestamps locally through virtual voting, giving aBFT finality in seconds and fair ordering.
#basics#consensus#enterprise-blockchain
LitecoinBeginnerLitecoin is Bitcoin's code with Scrypt proof of work, 2.5-minute blocks and an 84M supply, plus opt-in MWEB privacy and its own address prefixes (L, M, ltc1). Confirmations, fees and libraries need small adjustments.
#basics#mining#privacy
GeneralBeginnerBitcoin tracks unspent outputs and wallets compute balances, with implicit fees and change outputs. Ethereum stores a balance and nonce per account, so nonce management replaces coin selection.
#basics#transactions
BitcoinBeginnerMiners hash an 80-byte block header until its double SHA-256 falls below a target. Difficulty retargets every 2016 blocks, and nodes follow the chain with the most cumulative work.
#basics#consensus#mining
