Discover and read the best of Twitter Threads about #mining

Most recents (6)

RT this [THREAD] of articles if you'd like to ask Twitter's most popular UK political commentators - the vast majority of whom seldom or never mention the Ecological Emergency - for analysis of the politics of catastrophic #ClimateBreakdown, #MassExtinction & #EcologicalCollapse.
Dear @jonsnowC4 @peston @bbclaurak @bbcnickrobinson @afneil

'we could be looking at an epic extinction event, caused by ourselves, which could include exterminating our own species, or at least what we call “civilization,” in as little as nine years.'…
Hi @OwenJones84 & @paulmasonnews

'We are already facing mass extinction. There is no removing the heat we have introduced into the oceans, nor the 40bn tons of CO2 we pump into the atmosphere every single year. There may be no changing what is happening'…
Read 36 tweets
1) Updated Executive Summary numbers from my #bitcoin cost & #sustainability model

- Avg Cost to Mine: $3,750 (ranging from $3000 to $4000)
- Total CO2e: 0.034Gt (0.06% of global)
- Total Energy: 63TWh/yr (0.04% of global)…
2) Changes in #Bitcoin #mining metrics
3) Major Assumption Changes:

- Since my previous report demonstrated that “$/GH is king” due to low electricity prices amongst most large miners, the Antminer T15 will be taken as the proxy benchmark #bitcoin ASIC for this update
Read 8 tweets
Breakeven for a professional Chinese bitcoin miner:
- if depreciating equipment in one year: $7350
- excluding personnel & building costs: $6900
- operational breakeven: $5980

Equipment price dropped $160 since the article => all-in BE at $7190

No wonder $5750-$6000 has been defended so fiercely.
Amazing how article did not even have one clap on Medium. Let's give the author some appreciation.
Read 5 tweets
1/ At current prices, top 5 PoW coins (BTC, ETH, ZEC, BCH, LTC) are creating about USD 22 million in coins every day, USD 8 billion a year. BTC represents 56% of that total, while ETH represents 30%. Given current depressed prices, can be assumed ALL are being sold. #mining
2/ Miners, together with exchanges and ICOs, need to sell their coins to fund their operations. These market participants represent natural sellers. Combine that with the relative absence of new crypto investors, and you have the reason for prices crashing. #DemandAndSupply
3/ Given the dearth of new retail investors, crypto has been looking towards the infamous influx of institutional investors to save the day, the institutional investors that are not coming. Hence the importance of an ETF & its likely upcoming rejection.…
Read 11 tweets
After getting a good rap on the knuckles by editors for being a lazy lurker on social media, here's course correction. I am now doing a thread of all my reportage in 2018. (@sree and @prempanicker had encouraged me to do this many years ago 🙈) Please read and share.
While urbanisation is a global trend, villagers around #Ahmedabad don't want to live in cities. Since 2012, #Gujarat government has encouraged 12 cities to swallow up some 800 villages. And now, most of them are resisting. A take on the 'Gujarat Model'.…
The two main problems for the new state of #Telangana are exemplified in
Vemulaghat, a village off #Hyderabad. I went there to understand their conflict over land and #water for irrigation. CC: @Landesa_Global @LandConflicts…
Read 28 tweets
- Tu sais comment on fait pour protéger une maison menacée par les inondations ?

- Ben...on la soulève.

À Hensies, les maisons de la cité des Sartis ont été relevée de 1m50 à 2m pour les préserver des inondations causées par les affaissements miniers en 1934. #envhist #mining
Les maisons soulevées dans les années 1930, ça avait l'air de vous intriguer, alors pourquoi qu'on fait et comment qu'on fait ?
La pratique de relever des bâtiments et des monuments est "commune" depuis la seconde moitié du 19e siècle. On relève, on abaisse des rues, des églises et des maisons selon les besoins.

Ici, un extrait d'un prospectus publicitaire des années 1930 de l'entreprise Lecharlier
Read 18 tweets

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