Jameson Lopp

CTO of Casa

CTO of Casa, Lopp provides insights into Bitcoin security and infrastructure.

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Recent Tweets

Hearing reports of a bitcoin wrench attack in Ontario. Media confirmed the home invasion, death threats, and manhunt that led to 6 arrests, but haven't confirmed the details of the attackers' motives.

@oomahq @coinjoined @BitcoinMotorist 🤦if a transaction only shows up in a block without entering your node's mempool, it doesn't get factored into the fee estimation algorithm because your node doesn't know how many blocks it was waiting before being confirmed 🤦

The blockchain is useful for more than just transfers of bitcoin. It can also store immutable timestamped records of small amounts of data. This enables other protocols and applications to make use of Bitcoin's security properties. You can learn more here:

Three men were sentenced to 12 years each in prison for kidnapping the wife of bitcoin investor Stéphane Winkel in Belgium last December.

So many orgs announcing they're buying BTC. Nobody announcing they're selling BTC. Come on folks, 'fess up!

@BtcBlackthorne That only protects you from long range attacks, not short range attacks. It's a temporary stop-gap until quantum computers are fast enough to crack keys in under 10 minutes.

Cryptocurrency Market

#	Exchange	Tweet Post Mentions	Price	Change(%)	Day Low	Day High	Market Cap	Volume	Last 7 Days
01	BTC Bitcoin	Upgrade to get full access	Upgrade to get full access	Upgrade to get full access	Upgrade to get full access	Upgrade to get full access	Upgrade to get full access	44.38 B