John LightValidity rollups on bitcoinAn industry report about bringing validity rollups to bitcoin3 min read·Oct 21, 2022----
John LightReversible blockchain transactionsContrary to what some “experts” will tell you, it is possible, today, to make reversible transactions on a blockchain.2 min read·Jun 3, 2022----
John LightWhy I focus on bitcoinOn the 13th anniversary of the bitcoin genesis block, I reflect on why I have chosen to dedicate so much of my time to bitcoin.7 min read·Jan 3, 2022----
John LightA response to the “miners can steal” critique of DrivechainAn investigation into the claim that miners will steal from hashrate escrows.7 min read·Jun 21, 2021----
John LightIs ETH “Ultra Sound Money”? A reply to David Hoffman and the Bankless communityI saw a tweet from Ryan Adams suggesting that no Bitcoiners are willing to debate the ETH = Ultra Sound Money thesis. Here’s my response.17 min read·Apr 25, 2021----
John LightIntroducing StakePeg: A trust-reduced two-way bitcoin pegStakePeg implements a two-way peg in a way that requires a significant reduction in trust compared to centralized or federated pegs.9 min read·Jan 25, 2021----
John LightWhat is bitcoin good for?On today’s 12th anniversary of the bitcoin genesis block, at a time when bitcoin is reaching new all-time-high prices on a nearly daily…4 min read·Jan 4, 2021----
John LightHow to protect your personal information from the next ecommerce hackRecently the cryptocurrency community was alarmed by news that a hacked marketing database from the hardware wallet manufacturer Ledger was…10 min read·Dec 21, 2020----
John LightThe different kinds of bitcoin full nodesIn the bitcoin network, full nodes are the enforcers of consensus rules. A full node (short for “fully-validating bitcoin node”) is a…3 min read·Dec 20, 2020----
John LightImagining the ideal wallet recovery systemThe first problem Bitcoiners face after figuring out how to first acquire coins is figuring out how to secure them. I’ve written about this…4 min read·Dec 2, 2020----