Ownership of this NFT entitles you a lifetime subscription to the newsletter. Terms at the bottom of the description.

Issue title: "What are Consensus Mechanisms?"

This issue was released September 9th, 2021.

The cover art is a custom piece by Mark Hopkins

From this issue: "We spend a lot of time talking about the top of the stack here, but the foundation of the stack is just as important. This week we start a series examining mining and consensus."

Other headlines in this issue:

• The original Doge meme sold for $4M in June now valued above $225M.
• Audius music streaming platform integrates Solana-affiliated NFTs.
• Twitter reportedly testing a Bitcoin tipping option.

Original reporting in this issue:

• Offchain Labs raises $120M and launches its Arbitrum mainnet.
• Simba Chain raises $25M in funding.

Terms:

• This NFT entitles you to a lifetime subscription to the Ask Doctor Bitcoin Newsletter.
• At the time of the minting, this newsletter's authoritative domain is http://askdoctorbitcoin.substack.com.
• Redemption details are in the unlockable content section of this NFT.
• This subscription is not transferrable, meaning you will retain your subscription (once redeemed), even if you've sold the NFT to someone else.
• Any owner of this NFT may redeem the lifetime subscription, regardless of whether the previous owner has redeemed a subscription.
• Terms are specific to this particular NFT, and shall not change, though other NFTs in this series may have differing or updated terms.