PlayIconNav
Ad

Colin Harper

Colin Harper

Colin writes about Bitcoin. Formerly, he worked at CoinDesk as a tech reporter. Now, he is the Head of Research and Content at Luxor Technologies, and he also freelances for CoinDesk, Forbes and Bitcoin Magazine." He holds bitcoin.

Social

Recent

facepalm1
Tech
Ethereum
Ethereum’s ‘Unannounced Hard Fork’ Was Trying to Prevent the Very Disruption It Caused
A hard fork that split Ethereum’s chain in two was activated on purpose, calling into question Ethereum’s client coordination.
facepalm1
By Colin Harper
Nov 11, 2020 at 11:01 p.m. UTC
Nov 11, 2020
EthereumHard ForkGeth
screenshot-2019-10-08-21-31-20
Tech
Ethereum
Ethereum 2.0 Deposit Contract Tops $22.5M One Week After Launch
The deposit contract for Ethereum’s 2.0 upgrade now holds over 50,000 ETH – 10% of the threshold needed to activate the watershed update.
screenshot-2019-10-08-21-31-20
By Colin Harper
Nov 10, 2020 at 10:24 p.m. UTC
Nov 10, 2020
EthereumEthereum 2.0Beacon ChainDeposit Contract
florian-berger-szg0ncgboeo-unsplash
Tech
Wallets
Multisignature Wallets Can Keep Your Coins Safer (If You Use Them Right)
Multisignature wallets are cryptocurrency wallets that require two or more private keys to sign and send a transaction.
florian-berger-szg0ncgboeo-unsplash
By Colin Harper
Nov 10, 2020 at 9:17 p.m. UTC
Nov 10, 2020
WalletsMultisigExplainers
bucket-with-holes
Tech
Vulnerability
Flaw in Bitcoin SV Multisig Wallet Puts Funds at Risk
Bitcoin SV scrapped Bitcoin’s multisignature design and created its own. The insecure design is causing problems for some BSV users.
bucket-with-holes
By Colin Harper
Nov 9, 2020 at 9:57 p.m. UTC
Nov 9, 2020
VulnerabilityBitcoin SV
large-rectangle-of-clear-ice-with-air-bubbles-on-black-background-with-clipping-path
Tech
Ethereum
Buggy Code in This Compound Finance Fork Just Froze $1M in Ethereum Tokens
Some $1 million in Ethereum tokens is locked in a new DeFi app after its developers made changes to the protocol’s contracts.
large-rectangle-of-clear-ice-with-air-bubbles-on-black-background-with-clipping-path
By Colin Harper
Nov 5, 2020 at 8:59 p.m. UTC
Nov 5, 2020
EthereumVulnerabilityDeFiPercentFinance
samantha-lam-zfy6fopzeu0-unsplash
Tech
Privacy
Blockstream Is Working on Simpler, More Private Multi-Sig Bitcoin Transactions
Made possible by Taproot, MuSig2 is designed to make multi-signature Bitcoin transactions less complex without sacrificing privacy.
samantha-lam-zfy6fopzeu0-unsplash
By Colin Harper
Nov 4, 2020 at 10:55 p.m. UTC
Nov 4, 2020
PrivacyMulti-SignatureBitcoinBlockstreamSchnorr SignaturesTaproot
49484226848_5d6af266b3_o
Tech
Lightning network
Bitcoin’s Lightning Network Is Getting a Marketplace for Payment Channel Liquidity
Lightning Labs new service, Pool, provides a marketplace for Lightning Network businesses and users to lease payment channel liquidity.
49484226848_5d6af266b3_o
By Colin Harper
Nov 2, 2020 at 4:01 p.m. UTC
Nov 2, 2020
Lightning NetworkLightning LabsPayment Channels
ivoted
Tech
Governance
MakerDAO Members Voting on a Safeguard Against BProtocol Flash Loan-Type Attack
The MakerDAO community is voting on a proposal to harden the protocol's governance structure against flash loan voting.
ivoted
By Colin Harper
Oct 30, 2020 at 7:22 p.m. UTC
Oct 30, 2020
GovernanceMakerDAODeFiFlash Loans
taproot-debate
Tech
Developers
Bitcoin Developers Still Divided on Specifics of Taproot Activation
The code for Taproot is ready to go, but developers are still discussing how to deploy the update across Bitcoin’s distributed network.
taproot-debate
By Colin Harper
Oct 30, 2020 at 7:15 p.m. UTC
Oct 30, 2020
DevelopersBitcoinSoft ForkTaproot
ln-pt2
Tech
Bitcoin
Putting Pressure on Bitcoin’s Lightning Network Vulnerabilities Will Strengthen It
These vulnerabilities are reminders that improvements come with trade-offs – and that security and usability are two sides of the same coin.
ln-pt2
By Colin Harper
Oct 28, 2020 at 4:35 p.m. UTC
Oct 28, 2020
BitcoinLightning NetworkVulnerabilities