• Dapps:16.23K
  • Blockchains:78
  • Active users:66.47M
  • 30d volume:$303.26B
  • 30d transactions:$879.24M

Adam Back reveals he did not own Bitcoin until 2013

user avatar

by Giorgi Kostiuk

a year ago


Adam Back, a renowned cryptographer and inventor of Hashcash, shared intriguing details about his Bitcoin ownership. Although his inventions impacted cryptocurrency's development, he didn’t acquire Bitcoin until 2013.

The History of Hashcash Invention

Hashcash was invented by Adam Back in 1997 as a proof-of-work algorithm to combat spam and denial-of-service attacks. This algorithm played a crucial role in the setup of Bitcoin's mining process and influenced the creation of its proof-of-work model. Back's contributions were mentioned in Satoshi Nakamoto's 2008 white paper.

Lack of Bitcoin Ownership until 2013

Despite his significant role in cryptographic systems development, Back did not own Bitcoin until 2013. He admitted it was a mistake, expressing regret over not purchasing or mining Bitcoin in 2009.

Correct.

Blockstream Company's Development

After his initial Bitcoin purchases in 2013, the cryptocurrency's price grew by more than 50,000%. In 2014, Back founded Blockstream, a company developing infrastructure for Bitcoin and other decentralized systems. Blockstream is known for innovations like sidechains, Liquid Network and the Bitcoin satellite network.

Despite contributing significantly to cryptocurrency's development, Adam Back only began owning Bitcoin in 2013. His subsequent work with Blockstream further advanced decentralized technology.

0

Rewards

chest
chest
chest
chest

More rewards

Discover enhanced rewards on our social media.

chest

Other news

Security Firms Intervene in Cryptocurrency Theft

chest

Security firm ZeroShadow managed to freeze a portion of the stolen funds shortly after the breach was detected.

user avatarBayarjavkhlan Ganbaatar

Hedera: A Practical Choice for Enterprises in 2026

chest

Hedera (HBAR) targets enterprises and institutions with a focus on speed, low fees, and predictable performance, making it a practical choice for 2026.

user avatarAisha Farooq

Ethereum Classic: A Reliable Choice Amidst Market Changes

chest

Ethereum Classic (ETC) continues to embody the original Ethereum vision of immutability and proof-of-work security, trading steadily in the 12-13 range as of mid-January 2026, making it an attractive option for miners and users who value consistency.

user avatarMohamed Farouk

Monero: Leading the Way in Financial Privacy

chest

Monero (XMR) sets the standard for privacy-focused cryptocurrencies, trading around 620-640 in January 2026, driven by increasing demand for private transactions.

user avatarTenzin Dorje

BlockDAG Prepares for Major Launch with Promising Presale

chest

BlockDAG is set to launch with a presale that has generated significant interest and investment.

user avatarElias Mukuru

Polymarket Reenters the US Market After CFTC Approval

chest

Polymarket has received CFTC approval, allowing it to reintroduce its services to US users, starting with sports event contracts.

user avatarKenji Takahashi

Important disclaimer: The information presented on the Dapp.Expert portal is intended solely for informational purposes and does not constitute an investment recommendation or a guide to action in the field of cryptocurrencies. The Dapp.Expert team is not responsible for any potential losses or missed profits associated with the use of materials published on the site. Before making investment decisions in cryptocurrencies, we recommend consulting a qualified financial advisor.