Blockchain and Distributed Ledger Technology
How the technology works, consensus, smart contracts, distributed ledgers for non-crypto uses
BlockchainBlockchain TechnologyConsensus MechanismsCrypto MiningDistributed LedgersGas FeesLayer 1 BlockchainsLayer 2 BlockchainsNodesProgrammable MoneyRollups
What are RollupsFeb 14, 2025RollupsHow many Layers are in a Blockchain?Feb 16, 2024BlockchainWhy does the gas fee in the cryptocurrency world fluctuate while transaction fees in the fiat world remain fixed?Feb 1, 2024Gas FeesIs it smart for a fintech startup to build a blockchain product if its main customers are banks—would requiring banks to run nodes create security concerns?Aug 1, 2018BlockchainIs the Stellar network no longer active or relevant?Jul 5, 2017BlockchainIs blockchain technology energy-inefficient, and if so, how severe is the impact?Aug 3, 2016BlockchainIs Stellar likely to become mainstream, and why or why not?Jul 7, 2016BlockchainWhat is the broader significance of Bitcoin in economics and technology?Jun 6, 2016Blockchain TechnologyWhat are some interesting facts about Stellar.org?May 2, 2016BlockchainWhich emerging technologies are most disruptive to the banking industry?Mar 9, 2016Blockchain TechnologyIf all miners agreed to reduce their Bitcoin mining capacity by a factor of 1,000, what would happen to costs and the network?Feb 6, 2016Crypto MiningAll else equal, is a cryptocurrency with faster confirmation times more or less secure against 51% attacks than one with slower confirmations?Dec 1, 2015BlockchainWhat are the possible applications and use cases of Hyperledger?Aug 10, 2015Blockchain TechnologyWhat advantages does Stellar offer compared with Ripple?Aug 8, 2015BlockchainHow could Bitcoin-style technology power a global fast peer-to-peer payments system with minimal fees without becoming its own currency?Dec 6, 2014Blockchain TechnologyWhat is the likely future of Bitcoin—will it become mainstream or fade in popularity, and for what reasons?Nov 12, 2014Distributed LedgersWhat is currently happening with Ripple as a company and protocol?Jun 2, 2014BlockchainDoes Ripple have the ability to cut off a merchant it disapproves of?May 4, 2014BlockchainWhat do you think the future of payments will look like—will it run on the Ripple protocol or on upgraded versions of existing systems from the 1970s?Apr 11, 2014Distributed LedgersHow many separate ledgers or copies of the ledger does Bitcoin actually maintain?Mar 10, 2014Blockchain TechnologyWhy is the number of mineable blocks in blockchain systems limited?Feb 4, 2014BlockchainWhat is the reaction to JP Morgan Chase’s patented Bitcoin-like rival system?Jan 12, 2014BlockchainHow could organizations like Facebook benefit from partnering with Ripple?Jan 9, 2014BlockchainWhat factors influence how long a Bitcoin transaction takes to be confirmed?Jan 7, 2014BlockchainWhat determines how long it takes for a Bitcoin transaction to receive confirmations?Dec 5, 2013Blockchain