Colin Harper, Blockspace Media

Colin writes about Bitcoin. Formerly, he worked at CoinDesk as a tech reporter and Luxor Technology Corp. as head of research. Now, he is the Editor-in-Chief of Blockspace Media, and he also freelances for CoinDesk, Forbes and Bitcoin Magazine. He holds bitcoin.

Colin Harper, Blockspace Media

Latest from Colin Harper, Blockspace Media


Markets

Ava Labs Sets Avalanche Mainnet Launch for Sept. 21

With $60 million in funding at its back, Ava Labs' Avalanche is the latest next-gen blockchain network to enter the DeFi landscape.

Ava Labs founder Emin Gün Sirer (CoinDesk archives)

Tech

Discreet Log Contracts Are Bringing Private, ‘Scriptless’ Smart Contracts to Bitcoin

A smart contract has logged bets for the U.S. election on Bitcoin’s blockchain. When the votes are tallied, we won’t know who won, but that’s the whole point.

(simarik/Getty Images)

Tech

RGB Continues Its Work to Bring Better Smart Contracts to Bitcoin

The RGB protocol, now in beta, is working to outfit Bitcoin with the capabilities that have made Ethereum the go-to blockchain for issuing tokenized assets.

(Tyler Lastovich/Unsplash)

Tech

SushiSwap's Users Ordered Changes, but the Protocol Can't Deliver Without an Overhaul

Another SushiSwap smart contract migration may be on the menu if newly voted-for policy proposals are going to be implemented.

(Artem Kniaz/Getty Images)

Tech

Wasabi Wallet Patches Flaw That Could Have Thwarted Bitcoin Privacy Feature

The flaw’s discovery is an example of cooperation in the open-source community, where devs are constantly tinkering to improve their peers’ software.

Bullet holes from a Kalashnikov rifle in front windshield. (Getty Images)

Tech

Hardware Wallet Flaw Lets Attackers Hold Crypto for Ransom Without Touching Device

A hypothetical man-in-the-middle attack would have allowed an attacker to hold users’ crypto for ransom on Trezor and KeepKey hardware wallets.

(Jose Fontano/Unsplash)

Tech

'DogByte' Attack Found in 'Randomness' Protocol Proof for Ethereum 2.0 Beacon Chain

The “DogByte” attack would have allowed attackers to cheat the Ethereum 2.0 random beacon chain by gaming smart contracts and block validator selection.

(Justin Veenema/Unsplash)

Tech

Wasabi Wallet Is Revamping Its CoinJoin Design to Allow Bitcoin Mixing With Differing Values

Wasabi Wallet's new protocol would allow users to coinjoin with differing values, which could give users greater flexibility when using the privacy feature.

(Ilya Starikov/Getty)

Tech

An AWS Virtual Machine Is Infected With Mining Malware. There Could Be Others

A monero mining script has been embedded in a public instance of an AWS virtual machine. How many others are similarly infected?

(Mitga)

Tech

Dust Attacks Make a Mess in Bitcoin Wallets, but There Could Be a Fix

When dust settles in your home, you sweep it up. But what happens when dust makes its way into your Bitcoin wallet? Cleaning it up may not be so simple.

(David Becker/Unsplash)