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

Bitcoin Transactions Are More Expensive Than Ever

The all-time high in fees coincides with a perfect storm of all-time highs in difficulty and block demand.

Various data from mempool.space detailing bitcoin transaction costs. (April 21, 2021)

Tech

OKEx Goes Live With Bitcoin Lightning Network Deposits, Withdrawals

OKEx is the seventh major exchange to add the scaling solution.

OKEx lightning

Tech

DMG Purchases 3,600 ASICs in North American Bitcoin Mining Expansion

The Canadian firm is the latest of many North American companies to chase Bitcoin's hashrate with new machine purchases.

Canada flag

Markets

Blockcap Mined 544 Bitcoin in Q1 While Riot Yielded 491

The two firms both plan to add significant computing power to their fleets throughout the remainder of the year.

Bitcoin mining equipment

Markets

How Accidents in Chinese Coal Mines Are Affecting Bitcoin Mining

The explosions took nearly a quarter of Bitcoin's hashrate offline, but the network is operating normally and these miners could be back online in as soon as a week.

Some bitcoin mining facilities rely on coal-sourced energy outside of the rainy season.

Markets

Celsius Suffers Third-Party Data Breach, Customers Report Phishing Texts, Emails

The crypto lender's data leak comes almost a year to the date after a similar data leak hit BlockFi.

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Tech

Taproot Speedy Trial Code Merged Into Bitcoin Core

The merge puts an end to a long road of activation discussions – now all that's left is Taproot's actual activation.

Speedy Trial is now merged.

Markets

Chainlink Is Building an Off-Chain Oracle Network

Chainlink 2.0 will create a second layer network that will allow oracles to take the bulk of their work off-chain.

Chainlink co-founder Sergey Nazarov

Tech

Open Ethereum Clients Encounter ‘Consensus Error’ After Berlin Hard Fork; Coinbase Pauses ETH Withdrawals

The bug only affects the Open Ethereum client and occurred in the wake of today's Berlin hard fork.

Some Open Ethereum nodes are reportedly out of sync with the network.

Tech

Berlin Hard Fork Is Now Live on Ethereum

The upgrade incorporates four optimizations aimed at gas efficiency and improved security.

The Berlin hard fork prepares the way for Ethereum 2.0.