The Tallinn protocol upgrade marks Tezos' 20th major update since launching in 2018, and was implemented without a network fork. Tezos, a layer-1 proof-of-stake blockchain network, implemented its latest protocol upgrade, Tallinn, on Saturday, which reduced block times on the base layer to 6 seconds. The latest upgrade is the 20th update to the protocol, which reduces block times, slashes storage costs and reduces latency, resulting in faster network finality times, according to an announcement from Tezos. Tallinn also allows all network validators, known as “bakers”, to attest to every single block, rather than a subset of validators attesting to blocks, which is how validators verified blocks in previous versions of the protocol, Spokespeople for Tezos explained: Read more
The fourth-quarter crypto pullback hit ARK ETFs, with Coinbase emerging as the biggest drag on performance. Cathie Wood’s ARK Invest has increased its exposure to crypto-linked equities, adding shares of Coinbase, Circle and Bullish as prices slid across the sector. According to ARK’s daily trade disclosures for Friday, the ARK Innovation ETF (ARKK) purchased 38,854 shares of Coinbase Global Inc., while the ARK Fintech Innovation ETF (ARKF) added another 3,325 shares, acquiring a total of $9.4 million worth of the exchange shares. Coinbase shares closed down 2.77% on the day at $216.95. ARK added a combined 129,446 shares of Circle Internet Group across ARKK and ARKF, a position worth roughly $9.2 million. The firm also added 88,533 shares of Bullish across the same ETFs, investing about $3.2 million. Circle shares were little changed on the day, slipping 0.03% while Bullish shares declined 2% during the session, closing at $35.75. Read more